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* [Intel-gfx] [PATCH 0/4] Use non traceable api in display trace code
@ 2023-06-13 21:52 Radhakrishna Sripada
  2023-06-13 21:52 ` [Intel-gfx] [PATCH 1/4] drm/i915: Add a notrace version of intel_de_read_fw Radhakrishna Sripada
                   ` (6 more replies)
  0 siblings, 7 replies; 12+ messages in thread
From: Radhakrishna Sripada @ 2023-06-13 21:52 UTC (permalink / raw)
  To: intel-gfx

Nesting of tracing events should in general be avoided. Many of the
display tracing events use the traceable versions of register read/writes.
This patchset replaces them with non traceable versions and defines them
if required.

This cleanup will be helpful to introduce reg rw tracing of the xe driver.

Radhakrishna Sripada (4):
  drm/i915: Add a notrace version of intel_de_read_fw
  drm/i915: Add a dummy notrace version of intel_de_read64_2x32
  drm/i915: Make intel_crtc_get_vblank_counter use no trace hw reads
  drm/i915: Make intel_get_crtc_scanline use no trace hw reads

 drivers/gpu/drm/i915/display/intel_de.h     | 17 ++++++++++++++++
 drivers/gpu/drm/i915/display/intel_vblank.c | 22 +++++++++++----------
 drivers/gpu/drm/i915/intel_uncore.h         |  2 ++
 3 files changed, 31 insertions(+), 10 deletions(-)

-- 
2.34.1


^ permalink raw reply	[flat|nested] 12+ messages in thread

* [Intel-gfx] [PATCH 1/4] drm/i915: Add a notrace version of intel_de_read_fw
  2023-06-13 21:52 [Intel-gfx] [PATCH 0/4] Use non traceable api in display trace code Radhakrishna Sripada
@ 2023-06-13 21:52 ` Radhakrishna Sripada
  2023-06-13 21:52 ` [Intel-gfx] [PATCH 2/4] drm/i915: Add a dummy notrace version of intel_de_read64_2x32 Radhakrishna Sripada
                   ` (5 subsequent siblings)
  6 siblings, 0 replies; 12+ messages in thread
From: Radhakrishna Sripada @ 2023-06-13 21:52 UTC (permalink / raw)
  To: intel-gfx

Around the tracing infrastructure, certain registers are being
read resulting in nested traces. Introduce the no trace version
of intel_de_read_fw to be used in such scenarios.

Signed-off-by: Radhakrishna Sripada <radhakrishna.sripada@intel.com>
---
 drivers/gpu/drm/i915/display/intel_de.h | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/drivers/gpu/drm/i915/display/intel_de.h b/drivers/gpu/drm/i915/display/intel_de.h
index 42552d8c151e..786211121ce2 100644
--- a/drivers/gpu/drm/i915/display/intel_de.h
+++ b/drivers/gpu/drm/i915/display/intel_de.h
@@ -93,6 +93,16 @@ intel_de_wait_for_clear(struct drm_i915_private *i915, i915_reg_t reg,
  * therefore generally be serialised, by either the dev_priv->uncore.lock or
  * a more localised lock guarding all access to that bank of registers.
  */
+static inline u32
+intel_de_read_fw_notrace(struct drm_i915_private *i915, i915_reg_t reg)
+{
+	u32 val;
+
+	val = intel_uncore_read_fw(&i915->uncore, reg);
+
+	return val;
+}
+
 static inline u32
 intel_de_read_fw(struct drm_i915_private *i915, i915_reg_t reg)
 {
-- 
2.34.1


^ permalink raw reply related	[flat|nested] 12+ messages in thread

* [Intel-gfx] [PATCH 2/4] drm/i915: Add a dummy notrace version of intel_de_read64_2x32
  2023-06-13 21:52 [Intel-gfx] [PATCH 0/4] Use non traceable api in display trace code Radhakrishna Sripada
  2023-06-13 21:52 ` [Intel-gfx] [PATCH 1/4] drm/i915: Add a notrace version of intel_de_read_fw Radhakrishna Sripada
@ 2023-06-13 21:52 ` Radhakrishna Sripada
  2023-06-13 21:52 ` [Intel-gfx] [PATCH 3/4] drm/i915: Make intel_crtc_get_vblank_counter use no trace hw reads Radhakrishna Sripada
                   ` (4 subsequent siblings)
  6 siblings, 0 replies; 12+ messages in thread
From: Radhakrishna Sripada @ 2023-06-13 21:52 UTC (permalink / raw)
  To: intel-gfx

intel_de_read64_2x32 and hence intel_uncore_read64_2x32 do not use any
of the tracing api's. It is however important to distinguish between the
tracing and non tracing versions to avoid nesting of tracing events.

Signed-off-by: Radhakrishna Sripada <radhakrishna.sripada@intel.com>
---
 drivers/gpu/drm/i915/display/intel_de.h | 7 +++++++
 drivers/gpu/drm/i915/intel_uncore.h     | 2 ++
 2 files changed, 9 insertions(+)

diff --git a/drivers/gpu/drm/i915/display/intel_de.h b/drivers/gpu/drm/i915/display/intel_de.h
index 786211121ce2..25d6f3317eca 100644
--- a/drivers/gpu/drm/i915/display/intel_de.h
+++ b/drivers/gpu/drm/i915/display/intel_de.h
@@ -22,6 +22,13 @@ intel_de_read8(struct drm_i915_private *i915, i915_reg_t reg)
 	return intel_uncore_read8(&i915->uncore, reg);
 }
 
+static inline u64
+intel_de_read64_2x32_notrace(struct drm_i915_private *i915,
+			     i915_reg_t lower_reg, i915_reg_t upper_reg)
+{
+	return intel_uncore_read64_2x32_notrace(&i915->uncore, lower_reg, upper_reg);
+}
+
 static inline u64
 intel_de_read64_2x32(struct drm_i915_private *i915,
 		     i915_reg_t lower_reg, i915_reg_t upper_reg)
diff --git a/drivers/gpu/drm/i915/intel_uncore.h b/drivers/gpu/drm/i915/intel_uncore.h
index 9ea1f4864a3a..a189953957ef 100644
--- a/drivers/gpu/drm/i915/intel_uncore.h
+++ b/drivers/gpu/drm/i915/intel_uncore.h
@@ -484,6 +484,8 @@ intel_uncore_read64_2x32(struct intel_uncore *uncore,
 	return (u64)upper << 32 | lower;
 }
 
+#define intel_uncore_read64_2x32_notrace(...)	intel_uncore_read64_2x32(__VA_ARGS__)
+
 static inline int intel_uncore_write_and_verify(struct intel_uncore *uncore,
 						i915_reg_t reg, u32 val,
 						u32 mask, u32 expected_val)
-- 
2.34.1


^ permalink raw reply related	[flat|nested] 12+ messages in thread

* [Intel-gfx] [PATCH 3/4] drm/i915: Make intel_crtc_get_vblank_counter use no trace hw reads
  2023-06-13 21:52 [Intel-gfx] [PATCH 0/4] Use non traceable api in display trace code Radhakrishna Sripada
  2023-06-13 21:52 ` [Intel-gfx] [PATCH 1/4] drm/i915: Add a notrace version of intel_de_read_fw Radhakrishna Sripada
  2023-06-13 21:52 ` [Intel-gfx] [PATCH 2/4] drm/i915: Add a dummy notrace version of intel_de_read64_2x32 Radhakrishna Sripada
@ 2023-06-13 21:52 ` Radhakrishna Sripada
  2023-06-22 19:41   ` Lucas De Marchi
  2023-06-13 21:52 ` [Intel-gfx] [PATCH 4/4] drm/i915: Make intel_get_crtc_scanline " Radhakrishna Sripada
                   ` (3 subsequent siblings)
  6 siblings, 1 reply; 12+ messages in thread
From: Radhakrishna Sripada @ 2023-06-13 21:52 UTC (permalink / raw)
  To: intel-gfx

intel_crtc_get_vblank_counter is used in many places in the display
tracing infrastructure. For a clean execution of the tracing assignment,
ensure that any necessary HW reads would not further trigger another trace,
to prevent nesting of trace events.

Suggested-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Signed-off-by: Radhakrishna Sripada <radhakrishna.sripada@intel.com>
---
 drivers/gpu/drm/i915/display/intel_vblank.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/i915/display/intel_vblank.c b/drivers/gpu/drm/i915/display/intel_vblank.c
index f5659ebd08eb..55f3389fa220 100644
--- a/drivers/gpu/drm/i915/display/intel_vblank.c
+++ b/drivers/gpu/drm/i915/display/intel_vblank.c
@@ -103,7 +103,7 @@ u32 i915_get_vblank_counter(struct drm_crtc *crtc)
 	 * we get a low value that's stable across two reads of the high
 	 * register.
 	 */
-	frame = intel_de_read64_2x32(dev_priv, PIPEFRAMEPIXEL(pipe), PIPEFRAME(pipe));
+	frame = intel_de_read64_2x32_notrace(dev_priv, PIPEFRAMEPIXEL(pipe), PIPEFRAME(pipe));
 
 	pixel = frame & PIPE_PIXEL_MASK;
 	frame = (frame >> PIPE_FRAME_LOW_SHIFT) & 0xffffff;
@@ -125,7 +125,7 @@ u32 g4x_get_vblank_counter(struct drm_crtc *crtc)
 	if (!vblank->max_vblank_count)
 		return 0;
 
-	return intel_de_read(dev_priv, PIPE_FRMCOUNT_G4X(pipe));
+	return intel_de_read_notrace(dev_priv, PIPE_FRMCOUNT_G4X(pipe));
 }
 
 static u32 intel_crtc_scanlines_since_frame_timestamp(struct intel_crtc *crtc)
@@ -324,7 +324,8 @@ static bool i915_get_crtc_scanoutpos(struct drm_crtc *_crtc,
 		 * We can split this into vertical and horizontal
 		 * scanout position.
 		 */
-		position = (intel_de_read_fw(dev_priv, PIPEFRAMEPIXEL(pipe)) & PIPE_PIXEL_MASK) >> PIPE_PIXEL_SHIFT;
+		position = (intel_de_read_fw_notrace(dev_priv, PIPEFRAMEPIXEL(pipe)) &
+			    PIPE_PIXEL_MASK) >> PIPE_PIXEL_SHIFT;
 
 		/* convert to pixel counts */
 		vbl_start *= htotal;
-- 
2.34.1


^ permalink raw reply related	[flat|nested] 12+ messages in thread

* [Intel-gfx] [PATCH 4/4] drm/i915: Make intel_get_crtc_scanline use no trace hw reads
  2023-06-13 21:52 [Intel-gfx] [PATCH 0/4] Use non traceable api in display trace code Radhakrishna Sripada
                   ` (2 preceding siblings ...)
  2023-06-13 21:52 ` [Intel-gfx] [PATCH 3/4] drm/i915: Make intel_crtc_get_vblank_counter use no trace hw reads Radhakrishna Sripada
@ 2023-06-13 21:52 ` Radhakrishna Sripada
  2023-06-14  1:02 ` [Intel-gfx] ✗ Fi.CI.SPARSE: warning for Use non traceable api in display trace code Patchwork
                   ` (2 subsequent siblings)
  6 siblings, 0 replies; 12+ messages in thread
From: Radhakrishna Sripada @ 2023-06-13 21:52 UTC (permalink / raw)
  To: intel-gfx

intel_get_crtc_scanline is used in the display tracing infrastructure.
Use no trace hw reads to avoid nested tracing calls.

Signed-off-by: Radhakrishna Sripada <radhakrishna.sripada@intel.com>
---
 drivers/gpu/drm/i915/display/intel_vblank.c | 15 ++++++++-------
 1 file changed, 8 insertions(+), 7 deletions(-)

diff --git a/drivers/gpu/drm/i915/display/intel_vblank.c b/drivers/gpu/drm/i915/display/intel_vblank.c
index 55f3389fa220..0b8574b29f1c 100644
--- a/drivers/gpu/drm/i915/display/intel_vblank.c
+++ b/drivers/gpu/drm/i915/display/intel_vblank.c
@@ -150,17 +150,17 @@ static u32 intel_crtc_scanlines_since_frame_timestamp(struct intel_crtc *crtc)
 		 * pipe frame time stamp. The time stamp value
 		 * is sampled at every start of vertical blank.
 		 */
-		scan_prev_time = intel_de_read_fw(dev_priv,
-						  PIPE_FRMTMSTMP(crtc->pipe));
+		scan_prev_time = intel_de_read_fw_notrace(dev_priv,
+							  PIPE_FRMTMSTMP(crtc->pipe));
 
 		/*
 		 * The TIMESTAMP_CTR register has the current
 		 * time stamp value.
 		 */
-		scan_curr_time = intel_de_read_fw(dev_priv, IVB_TIMESTAMP_CTR);
+		scan_curr_time = intel_de_read_fw_notrace(dev_priv, IVB_TIMESTAMP_CTR);
 
-		scan_post_time = intel_de_read_fw(dev_priv,
-						  PIPE_FRMTMSTMP(crtc->pipe));
+		scan_post_time = intel_de_read_fw_notrace(dev_priv,
+							  PIPE_FRMTMSTMP(crtc->pipe));
 	} while (scan_post_time != scan_prev_time);
 
 	return div_u64(mul_u32_u32(scan_curr_time - scan_prev_time,
@@ -217,7 +217,7 @@ static int __intel_get_crtc_scanline(struct intel_crtc *crtc)
 	if (mode->flags & DRM_MODE_FLAG_INTERLACE)
 		vtotal /= 2;
 
-	position = intel_de_read_fw(dev_priv, PIPEDSL(pipe)) & PIPEDSL_LINE_MASK;
+	position = intel_de_read_fw_notrace(dev_priv, PIPEDSL(pipe)) & PIPEDSL_LINE_MASK;
 
 	/*
 	 * On HSW, the DSL reg (0x70000) appears to return 0 if we
@@ -236,7 +236,8 @@ static int __intel_get_crtc_scanline(struct intel_crtc *crtc)
 
 		for (i = 0; i < 100; i++) {
 			udelay(1);
-			temp = intel_de_read_fw(dev_priv, PIPEDSL(pipe)) & PIPEDSL_LINE_MASK;
+			temp = intel_de_read_fw_notrace(dev_priv, PIPEDSL(pipe)) &
+			       PIPEDSL_LINE_MASK;
 			if (temp != position) {
 				position = temp;
 				break;
-- 
2.34.1


^ permalink raw reply related	[flat|nested] 12+ messages in thread

* [Intel-gfx] ✗ Fi.CI.SPARSE: warning for Use non traceable api in display trace code
  2023-06-13 21:52 [Intel-gfx] [PATCH 0/4] Use non traceable api in display trace code Radhakrishna Sripada
                   ` (3 preceding siblings ...)
  2023-06-13 21:52 ` [Intel-gfx] [PATCH 4/4] drm/i915: Make intel_get_crtc_scanline " Radhakrishna Sripada
@ 2023-06-14  1:02 ` Patchwork
  2023-06-14  1:04   ` philly j
  2023-06-14  1:05   ` philly j
  2023-06-14  1:16 ` [Intel-gfx] ✓ Fi.CI.BAT: success " Patchwork
  2023-06-14  7:37 ` [Intel-gfx] ✓ Fi.CI.IGT: " Patchwork
  6 siblings, 2 replies; 12+ messages in thread
From: Patchwork @ 2023-06-14  1:02 UTC (permalink / raw)
  To: Radhakrishna Sripada; +Cc: intel-gfx

== Series Details ==

Series: Use non traceable api in display trace code
URL   : https://patchwork.freedesktop.org/series/119303/
State : warning

== Summary ==

Error: dim sparse failed
Sparse version: v0.6.2
Fast mode used, each commit won't be checked separately.



^ permalink raw reply	[flat|nested] 12+ messages in thread

* Re: [Intel-gfx]  ✗ Fi.CI.SPARSE: warning for Use non traceable api in display trace code
  2023-06-14  1:02 ` [Intel-gfx] ✗ Fi.CI.SPARSE: warning for Use non traceable api in display trace code Patchwork
@ 2023-06-14  1:04   ` philly j
  2023-06-14  1:05   ` philly j
  1 sibling, 0 replies; 12+ messages in thread
From: philly j @ 2023-06-14  1:04 UTC (permalink / raw)
  To: Intel-Gfx

[-- Attachment #1: Type: text/plain, Size: 635 bytes --]

      
  

 Why is this going on what do I need to do to secure everything I’m tired of all my devices not working I didn’t ask for this I’ve learned a lot but I’m so frustrated   
  
  
  
  
  
  
  

  
  
>   
> On Jun 13, 2023 at 9:02 PM,  <Patchwork (mailto:patchwork@emeril.freedesktop.org)>  wrote:
>   
>   
>   
>  == Series Details == Series: Use non traceable api in display trace code URL : https://patchwork.freedesktop.org/series/119303/ State : warning == Summary == Error: dim sparse failed Sparse version: v0.6.2 Fast mode used, each commit won't be checked separately.  
>
>   
  
  

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^ permalink raw reply	[flat|nested] 12+ messages in thread

* Re: [Intel-gfx]  ✗ Fi.CI.SPARSE: warning for Use non traceable api in display trace code
  2023-06-14  1:02 ` [Intel-gfx] ✗ Fi.CI.SPARSE: warning for Use non traceable api in display trace code Patchwork
  2023-06-14  1:04   ` philly j
@ 2023-06-14  1:05   ` philly j
  1 sibling, 0 replies; 12+ messages in thread
From: philly j @ 2023-06-14  1:05 UTC (permalink / raw)
  To: Intel-Gfx

[-- Attachment #1: Type: text/plain, Size: 710 bytes --]

      
  

 How do I do that? I just need to fix all this
  
Like, how does the system make changes on it when it’s not even plugged in I factory reset it unplug it once you’re done next day it’s like all different settings of   configuration files everything
  
  
  
  
  
  

  
  
>   
> On Jun 13, 2023 at 9:02 PM,  <Patchwork (mailto:patchwork@emeril.freedesktop.org)>  wrote:
>   
>   
>   
>  == Series Details == Series: Use non traceable api in display trace code URL : https://patchwork.freedesktop.org/series/119303/ State : warning == Summary == Error: dim sparse failed Sparse version: v0.6.2 Fast mode used, each commit won't be checked separately.  
>
>   
  
  

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^ permalink raw reply	[flat|nested] 12+ messages in thread

* [Intel-gfx] ✓ Fi.CI.BAT: success for Use non traceable api in display trace code
  2023-06-13 21:52 [Intel-gfx] [PATCH 0/4] Use non traceable api in display trace code Radhakrishna Sripada
                   ` (4 preceding siblings ...)
  2023-06-14  1:02 ` [Intel-gfx] ✗ Fi.CI.SPARSE: warning for Use non traceable api in display trace code Patchwork
@ 2023-06-14  1:16 ` Patchwork
  2023-06-14  7:37 ` [Intel-gfx] ✓ Fi.CI.IGT: " Patchwork
  6 siblings, 0 replies; 12+ messages in thread
From: Patchwork @ 2023-06-14  1:16 UTC (permalink / raw)
  To: Radhakrishna Sripada; +Cc: intel-gfx

[-- Attachment #1: Type: text/plain, Size: 8076 bytes --]

== Series Details ==

Series: Use non traceable api in display trace code
URL   : https://patchwork.freedesktop.org/series/119303/
State : success

== Summary ==

CI Bug Log - changes from CI_DRM_13269 -> Patchwork_119303v1
====================================================

Summary
-------

  **SUCCESS**

  No regressions found.

  External URL: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_119303v1/index.html

Participating hosts (40 -> 39)
------------------------------

  Missing    (1): fi-snb-2520m 

Known issues
------------

  Here are the changes found in Patchwork_119303v1 that come from known issues:

### IGT changes ###

#### Issues hit ####

  * igt@debugfs_test@basic-hwmon:
    - bat-adlp-11:        NOTRUN -> [SKIP][1] ([i915#7456])
   [1]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_119303v1/bat-adlp-11/igt@debugfs_test@basic-hwmon.html

  * igt@gem_tiled_pread_basic:
    - bat-adlp-11:        NOTRUN -> [SKIP][2] ([i915#3282])
   [2]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_119303v1/bat-adlp-11/igt@gem_tiled_pread_basic.html

  * igt@i915_selftest@live@gt_mocs:
    - bat-mtlp-6:         [PASS][3] -> [DMESG-FAIL][4] ([i915#7059])
   [3]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_13269/bat-mtlp-6/igt@i915_selftest@live@gt_mocs.html
   [4]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_119303v1/bat-mtlp-6/igt@i915_selftest@live@gt_mocs.html

  * igt@i915_selftest@live@migrate:
    - bat-mtlp-6:         [PASS][5] -> [DMESG-FAIL][6] ([i915#7699])
   [5]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_13269/bat-mtlp-6/igt@i915_selftest@live@migrate.html
   [6]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_119303v1/bat-mtlp-6/igt@i915_selftest@live@migrate.html
    - bat-dg2-11:         [PASS][7] -> [DMESG-WARN][8] ([i915#7699])
   [7]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_13269/bat-dg2-11/igt@i915_selftest@live@migrate.html
   [8]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_119303v1/bat-dg2-11/igt@i915_selftest@live@migrate.html

  * igt@i915_selftest@live@slpc:
    - bat-mtlp-6:         [PASS][9] -> [DMESG-WARN][10] ([i915#6367])
   [9]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_13269/bat-mtlp-6/igt@i915_selftest@live@slpc.html
   [10]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_119303v1/bat-mtlp-6/igt@i915_selftest@live@slpc.html
    - bat-rpls-1:         NOTRUN -> [DMESG-WARN][11] ([i915#6367])
   [11]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_119303v1/bat-rpls-1/igt@i915_selftest@live@slpc.html

  * igt@i915_selftest@live@workarounds:
    - bat-mtlp-6:         [PASS][12] -> [DMESG-FAIL][13] ([i915#6763])
   [12]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_13269/bat-mtlp-6/igt@i915_selftest@live@workarounds.html
   [13]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_119303v1/bat-mtlp-6/igt@i915_selftest@live@workarounds.html

  * igt@i915_suspend@basic-s3-without-i915:
    - bat-rpls-1:         NOTRUN -> [ABORT][14] ([i915#6687] / [i915#7978])
   [14]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_119303v1/bat-rpls-1/igt@i915_suspend@basic-s3-without-i915.html

  * igt@kms_chamelium_frames@hdmi-crc-fast:
    - bat-adlp-11:        NOTRUN -> [SKIP][15] ([i915#7828]) +7 similar issues
   [15]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_119303v1/bat-adlp-11/igt@kms_chamelium_frames@hdmi-crc-fast.html

  * igt@kms_cursor_legacy@basic-busy-flip-before-cursor-legacy:
    - bat-adlp-11:        NOTRUN -> [SKIP][16] ([i915#4103]) +1 similar issue
   [16]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_119303v1/bat-adlp-11/igt@kms_cursor_legacy@basic-busy-flip-before-cursor-legacy.html

  * igt@kms_force_connector_basic@prune-stale-modes:
    - bat-adlp-11:        NOTRUN -> [SKIP][17] ([i915#4093]) +3 similar issues
   [17]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_119303v1/bat-adlp-11/igt@kms_force_connector_basic@prune-stale-modes.html

  * igt@kms_pipe_crc_basic@nonblocking-crc@pipe-d-dp-1:
    - bat-dg2-8:          [PASS][18] -> [FAIL][19] ([i915#7932])
   [18]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_13269/bat-dg2-8/igt@kms_pipe_crc_basic@nonblocking-crc@pipe-d-dp-1.html
   [19]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_119303v1/bat-dg2-8/igt@kms_pipe_crc_basic@nonblocking-crc@pipe-d-dp-1.html

  
#### Possible fixes ####

  * igt@core_auth@basic-auth:
    - bat-adlp-11:        [ABORT][20] ([i915#8011]) -> [PASS][21]
   [20]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_13269/bat-adlp-11/igt@core_auth@basic-auth.html
   [21]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_119303v1/bat-adlp-11/igt@core_auth@basic-auth.html

  * igt@i915_module_load@load:
    - bat-adlp-11:        [DMESG-WARN][22] ([i915#4423]) -> [PASS][23]
   [22]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_13269/bat-adlp-11/igt@i915_module_load@load.html
   [23]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_119303v1/bat-adlp-11/igt@i915_module_load@load.html

  * igt@i915_selftest@live@requests:
    - bat-mtlp-8:         [DMESG-FAIL][24] ([i915#8497]) -> [PASS][25]
   [24]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_13269/bat-mtlp-8/igt@i915_selftest@live@requests.html
   [25]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_119303v1/bat-mtlp-8/igt@i915_selftest@live@requests.html
    - bat-rpls-1:         [ABORT][26] ([i915#7911] / [i915#7920]) -> [PASS][27]
   [26]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_13269/bat-rpls-1/igt@i915_selftest@live@requests.html
   [27]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_119303v1/bat-rpls-1/igt@i915_selftest@live@requests.html
    - bat-mtlp-6:         [DMESG-FAIL][28] ([i915#8497]) -> [PASS][29]
   [28]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_13269/bat-mtlp-6/igt@i915_selftest@live@requests.html
   [29]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_119303v1/bat-mtlp-6/igt@i915_selftest@live@requests.html

  
  {name}: This element is suppressed. This means it is ignored when computing
          the status of the difference (SUCCESS, WARNING, or FAILURE).

  [i915#3282]: https://gitlab.freedesktop.org/drm/intel/issues/3282
  [i915#4093]: https://gitlab.freedesktop.org/drm/intel/issues/4093
  [i915#4103]: https://gitlab.freedesktop.org/drm/intel/issues/4103
  [i915#4423]: https://gitlab.freedesktop.org/drm/intel/issues/4423
  [i915#6367]: https://gitlab.freedesktop.org/drm/intel/issues/6367
  [i915#6687]: https://gitlab.freedesktop.org/drm/intel/issues/6687
  [i915#6763]: https://gitlab.freedesktop.org/drm/intel/issues/6763
  [i915#7059]: https://gitlab.freedesktop.org/drm/intel/issues/7059
  [i915#7456]: https://gitlab.freedesktop.org/drm/intel/issues/7456
  [i915#7699]: https://gitlab.freedesktop.org/drm/intel/issues/7699
  [i915#7828]: https://gitlab.freedesktop.org/drm/intel/issues/7828
  [i915#7911]: https://gitlab.freedesktop.org/drm/intel/issues/7911
  [i915#7920]: https://gitlab.freedesktop.org/drm/intel/issues/7920
  [i915#7932]: https://gitlab.freedesktop.org/drm/intel/issues/7932
  [i915#7978]: https://gitlab.freedesktop.org/drm/intel/issues/7978
  [i915#8011]: https://gitlab.freedesktop.org/drm/intel/issues/8011
  [i915#8497]: https://gitlab.freedesktop.org/drm/intel/issues/8497


Build changes
-------------

  * Linux: CI_DRM_13269 -> Patchwork_119303v1

  CI-20190529: 20190529
  CI_DRM_13269: c73de42e50dc07f5ae9342b28be76f2ee015e5af @ git://anongit.freedesktop.org/gfx-ci/linux
  IGT_7327: 34e48b7d6402c3d7af19a40d8951eae017cf64df @ https://gitlab.freedesktop.org/drm/igt-gpu-tools.git
  Patchwork_119303v1: c73de42e50dc07f5ae9342b28be76f2ee015e5af @ git://anongit.freedesktop.org/gfx-ci/linux


### Linux commits

55a5a9655460 drm/i915: Make intel_get_crtc_scanline use no trace hw reads
aed3fd3496c7 drm/i915: Make intel_crtc_get_vblank_counter use no trace hw reads
f70762b01180 drm/i915: Add a dummy notrace version of intel_de_read64_2x32
94ddbaab004c drm/i915: Add a notrace version of intel_de_read_fw

== Logs ==

For more details see: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_119303v1/index.html

[-- Attachment #2: Type: text/html, Size: 9325 bytes --]

^ permalink raw reply	[flat|nested] 12+ messages in thread

* [Intel-gfx] ✓ Fi.CI.IGT: success for Use non traceable api in display trace code
  2023-06-13 21:52 [Intel-gfx] [PATCH 0/4] Use non traceable api in display trace code Radhakrishna Sripada
                   ` (5 preceding siblings ...)
  2023-06-14  1:16 ` [Intel-gfx] ✓ Fi.CI.BAT: success " Patchwork
@ 2023-06-14  7:37 ` Patchwork
  6 siblings, 0 replies; 12+ messages in thread
From: Patchwork @ 2023-06-14  7:37 UTC (permalink / raw)
  To: Radhakrishna Sripada; +Cc: intel-gfx

[-- Attachment #1: Type: text/plain, Size: 26637 bytes --]

== Series Details ==

Series: Use non traceable api in display trace code
URL   : https://patchwork.freedesktop.org/series/119303/
State : success

== Summary ==

CI Bug Log - changes from CI_DRM_13269_full -> Patchwork_119303v1_full
====================================================

Summary
-------

  **SUCCESS**

  No regressions found.

  

Participating hosts (8 -> 7)
------------------------------

  Missing    (1): shard-rkl0 

Known issues
------------

  Here are the changes found in Patchwork_119303v1_full that come from known issues:

### IGT changes ###

#### Issues hit ####

  * igt@gem_basic@multigpu-create-close:
    - shard-rkl:          NOTRUN -> [SKIP][1] ([i915#7697]) +1 similar issue
   [1]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_119303v1/shard-rkl-1/igt@gem_basic@multigpu-create-close.html

  * igt@gem_ctx_exec@basic-nohangcheck:
    - shard-tglu:         [PASS][2] -> [FAIL][3] ([i915#6268])
   [2]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_13269/shard-tglu-9/igt@gem_ctx_exec@basic-nohangcheck.html
   [3]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_119303v1/shard-tglu-2/igt@gem_ctx_exec@basic-nohangcheck.html

  * igt@gem_eio@hibernate:
    - shard-rkl:          NOTRUN -> [ABORT][4] ([i915#7975] / [i915#8213])
   [4]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_119303v1/shard-rkl-1/igt@gem_eio@hibernate.html

  * igt@gem_exec_fair@basic-none-rrul@rcs0:
    - shard-rkl:          NOTRUN -> [FAIL][5] ([i915#2842])
   [5]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_119303v1/shard-rkl-1/igt@gem_exec_fair@basic-none-rrul@rcs0.html

  * igt@gem_exec_fair@basic-none-share@rcs0:
    - shard-glk:          [PASS][6] -> [FAIL][7] ([i915#2842])
   [6]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_13269/shard-glk5/igt@gem_exec_fair@basic-none-share@rcs0.html
   [7]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_119303v1/shard-glk3/igt@gem_exec_fair@basic-none-share@rcs0.html

  * igt@gem_exec_fair@basic-none@bcs0:
    - shard-rkl:          [PASS][8] -> [FAIL][9] ([i915#2842]) +3 similar issues
   [8]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_13269/shard-rkl-6/igt@gem_exec_fair@basic-none@bcs0.html
   [9]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_119303v1/shard-rkl-4/igt@gem_exec_fair@basic-none@bcs0.html

  * igt@gem_exec_reloc@basic-gtt-wc:
    - shard-rkl:          NOTRUN -> [SKIP][10] ([i915#3281]) +2 similar issues
   [10]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_119303v1/shard-rkl-1/igt@gem_exec_reloc@basic-gtt-wc.html

  * igt@gem_huc_copy@huc-copy:
    - shard-rkl:          NOTRUN -> [SKIP][11] ([i915#2190])
   [11]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_119303v1/shard-rkl-1/igt@gem_huc_copy@huc-copy.html

  * igt@gem_lmem_swapping@heavy-verify-multi-ccs:
    - shard-glk:          NOTRUN -> [SKIP][12] ([fdo#109271] / [i915#4613])
   [12]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_119303v1/shard-glk2/igt@gem_lmem_swapping@heavy-verify-multi-ccs.html

  * igt@gem_lmem_swapping@parallel-random-verify:
    - shard-tglu:         NOTRUN -> [SKIP][13] ([i915#4613])
   [13]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_119303v1/shard-tglu-7/igt@gem_lmem_swapping@parallel-random-verify.html

  * igt@gem_pread@snoop:
    - shard-rkl:          NOTRUN -> [SKIP][14] ([i915#3282])
   [14]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_119303v1/shard-rkl-1/igt@gem_pread@snoop.html

  * igt@gem_pxp@reject-modify-context-protection-off-1:
    - shard-rkl:          NOTRUN -> [SKIP][15] ([i915#4270])
   [15]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_119303v1/shard-rkl-1/igt@gem_pxp@reject-modify-context-protection-off-1.html

  * igt@gem_softpin@evict-snoop-interruptible:
    - shard-rkl:          NOTRUN -> [SKIP][16] ([fdo#109312])
   [16]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_119303v1/shard-rkl-1/igt@gem_softpin@evict-snoop-interruptible.html

  * igt@gen9_exec_parse@allowed-all:
    - shard-apl:          [PASS][17] -> [ABORT][18] ([i915#5566])
   [17]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_13269/shard-apl4/igt@gen9_exec_parse@allowed-all.html
   [18]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_119303v1/shard-apl6/igt@gen9_exec_parse@allowed-all.html

  * igt@gen9_exec_parse@bb-start-param:
    - shard-rkl:          NOTRUN -> [SKIP][19] ([i915#2527])
   [19]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_119303v1/shard-rkl-1/igt@gen9_exec_parse@bb-start-param.html

  * igt@i915_pm_dc@dc6-dpms:
    - shard-tglu:         [PASS][20] -> [FAIL][21] ([i915#3989] / [i915#454])
   [20]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_13269/shard-tglu-2/igt@i915_pm_dc@dc6-dpms.html
   [21]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_119303v1/shard-tglu-6/igt@i915_pm_dc@dc6-dpms.html

  * igt@kms_big_fb@4-tiled-32bpp-rotate-270:
    - shard-rkl:          NOTRUN -> [SKIP][22] ([i915#5286])
   [22]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_119303v1/shard-rkl-1/igt@kms_big_fb@4-tiled-32bpp-rotate-270.html

  * igt@kms_big_fb@x-tiled-32bpp-rotate-90:
    - shard-rkl:          NOTRUN -> [SKIP][23] ([fdo#111614] / [i915#3638])
   [23]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_119303v1/shard-rkl-1/igt@kms_big_fb@x-tiled-32bpp-rotate-90.html

  * igt@kms_big_fb@yf-tiled-max-hw-stride-32bpp-rotate-180-hflip-async-flip:
    - shard-rkl:          NOTRUN -> [SKIP][24] ([fdo#110723]) +1 similar issue
   [24]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_119303v1/shard-rkl-1/igt@kms_big_fb@yf-tiled-max-hw-stride-32bpp-rotate-180-hflip-async-flip.html

  * igt@kms_big_joiner@basic:
    - shard-tglu:         NOTRUN -> [SKIP][25] ([i915#2705])
   [25]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_119303v1/shard-tglu-7/igt@kms_big_joiner@basic.html

  * igt@kms_ccs@pipe-a-bad-aux-stride-yf_tiled_ccs:
    - shard-rkl:          NOTRUN -> [SKIP][26] ([i915#3734] / [i915#5354] / [i915#6095])
   [26]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_119303v1/shard-rkl-1/igt@kms_ccs@pipe-a-bad-aux-stride-yf_tiled_ccs.html

  * igt@kms_ccs@pipe-a-crc-sprite-planes-basic-4_tiled_dg2_rc_ccs_cc:
    - shard-rkl:          NOTRUN -> [SKIP][27] ([i915#5354] / [i915#6095]) +3 similar issues
   [27]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_119303v1/shard-rkl-1/igt@kms_ccs@pipe-a-crc-sprite-planes-basic-4_tiled_dg2_rc_ccs_cc.html

  * igt@kms_ccs@pipe-b-ccs-on-another-bo-y_tiled_gen12_mc_ccs:
    - shard-rkl:          NOTRUN -> [SKIP][28] ([i915#3886] / [i915#5354] / [i915#6095])
   [28]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_119303v1/shard-rkl-1/igt@kms_ccs@pipe-b-ccs-on-another-bo-y_tiled_gen12_mc_ccs.html

  * igt@kms_ccs@pipe-b-missing-ccs-buffer-y_tiled_gen12_mc_ccs:
    - shard-glk:          NOTRUN -> [SKIP][29] ([fdo#109271] / [i915#3886]) +1 similar issue
   [29]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_119303v1/shard-glk2/igt@kms_ccs@pipe-b-missing-ccs-buffer-y_tiled_gen12_mc_ccs.html

  * igt@kms_ccs@pipe-d-crc-primary-rotation-180-4_tiled_mtl_rc_ccs_cc:
    - shard-rkl:          NOTRUN -> [SKIP][30] ([i915#5354]) +7 similar issues
   [30]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_119303v1/shard-rkl-1/igt@kms_ccs@pipe-d-crc-primary-rotation-180-4_tiled_mtl_rc_ccs_cc.html

  * igt@kms_chamelium_color@ctm-blue-to-red:
    - shard-rkl:          NOTRUN -> [SKIP][31] ([fdo#111827])
   [31]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_119303v1/shard-rkl-1/igt@kms_chamelium_color@ctm-blue-to-red.html

  * igt@kms_chamelium_hpd@dp-hpd:
    - shard-rkl:          NOTRUN -> [SKIP][32] ([i915#7828])
   [32]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_119303v1/shard-rkl-1/igt@kms_chamelium_hpd@dp-hpd.html

  * igt@kms_content_protection@mei_interface:
    - shard-rkl:          NOTRUN -> [SKIP][33] ([i915#4579] / [i915#7118])
   [33]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_119303v1/shard-rkl-1/igt@kms_content_protection@mei_interface.html

  * igt@kms_cursor_crc@cursor-onscreen-512x170:
    - shard-rkl:          NOTRUN -> [SKIP][34] ([fdo#109279] / [i915#3359])
   [34]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_119303v1/shard-rkl-1/igt@kms_cursor_crc@cursor-onscreen-512x170.html

  * igt@kms_cursor_edge_walk@64x64-left-edge@pipe-a-hdmi-a-1:
    - shard-glk:          [PASS][35] -> [DMESG-FAIL][36] ([i915#118])
   [35]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_13269/shard-glk8/igt@kms_cursor_edge_walk@64x64-left-edge@pipe-a-hdmi-a-1.html
   [36]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_119303v1/shard-glk8/igt@kms_cursor_edge_walk@64x64-left-edge@pipe-a-hdmi-a-1.html

  * igt@kms_cursor_legacy@short-busy-flip-before-cursor-toggle:
    - shard-rkl:          NOTRUN -> [SKIP][37] ([i915#4103])
   [37]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_119303v1/shard-rkl-1/igt@kms_cursor_legacy@short-busy-flip-before-cursor-toggle.html

  * igt@kms_fbcon_fbt@fbc-suspend:
    - shard-tglu:         [PASS][38] -> [FAIL][39] ([i915#4767])
   [38]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_13269/shard-tglu-3/igt@kms_fbcon_fbt@fbc-suspend.html
   [39]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_119303v1/shard-tglu-10/igt@kms_fbcon_fbt@fbc-suspend.html

  * igt@kms_flip@2x-flip-vs-blocking-wf-vblank:
    - shard-rkl:          NOTRUN -> [SKIP][40] ([fdo#111825]) +3 similar issues
   [40]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_119303v1/shard-rkl-1/igt@kms_flip@2x-flip-vs-blocking-wf-vblank.html

  * igt@kms_flip@2x-flip-vs-expired-vblank-interruptible@ab-hdmi-a1-hdmi-a2:
    - shard-glk:          [PASS][41] -> [FAIL][42] ([i915#79])
   [41]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_13269/shard-glk9/igt@kms_flip@2x-flip-vs-expired-vblank-interruptible@ab-hdmi-a1-hdmi-a2.html
   [42]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_119303v1/shard-glk5/igt@kms_flip@2x-flip-vs-expired-vblank-interruptible@ab-hdmi-a1-hdmi-a2.html

  * igt@kms_frontbuffer_tracking@fbcpsr-1p-primscrn-shrfb-msflip-blt:
    - shard-rkl:          NOTRUN -> [SKIP][43] ([i915#3023]) +4 similar issues
   [43]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_119303v1/shard-rkl-1/igt@kms_frontbuffer_tracking@fbcpsr-1p-primscrn-shrfb-msflip-blt.html

  * igt@kms_frontbuffer_tracking@fbcpsr-2p-primscrn-pri-shrfb-draw-render:
    - shard-rkl:          NOTRUN -> [SKIP][44] ([fdo#111825] / [i915#1825]) +6 similar issues
   [44]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_119303v1/shard-rkl-1/igt@kms_frontbuffer_tracking@fbcpsr-2p-primscrn-pri-shrfb-draw-render.html

  * igt@kms_frontbuffer_tracking@fbcpsr-tiling-4:
    - shard-rkl:          NOTRUN -> [SKIP][45] ([i915#5439])
   [45]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_119303v1/shard-rkl-1/igt@kms_frontbuffer_tracking@fbcpsr-tiling-4.html

  * igt@kms_hdr@bpc-switch-suspend:
    - shard-rkl:          NOTRUN -> [SKIP][46] ([i915#3555] / [i915#4579])
   [46]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_119303v1/shard-rkl-6/igt@kms_hdr@bpc-switch-suspend.html

  * igt@kms_pipe_b_c_ivb@disable-pipe-b-enable-pipe-c:
    - shard-rkl:          NOTRUN -> [SKIP][47] ([fdo#109289]) +1 similar issue
   [47]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_119303v1/shard-rkl-1/igt@kms_pipe_b_c_ivb@disable-pipe-b-enable-pipe-c.html

  * igt@kms_plane_scaling@plane-downscale-with-rotation-factor-0-5@pipe-a-hdmi-a-2:
    - shard-rkl:          NOTRUN -> [SKIP][48] ([i915#5176]) +1 similar issue
   [48]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_119303v1/shard-rkl-3/igt@kms_plane_scaling@plane-downscale-with-rotation-factor-0-5@pipe-a-hdmi-a-2.html

  * igt@kms_plane_scaling@plane-scaler-with-clipping-clamping-rotation@pipe-b-hdmi-a-2:
    - shard-rkl:          NOTRUN -> [SKIP][49] ([i915#4579] / [i915#5176]) +1 similar issue
   [49]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_119303v1/shard-rkl-1/igt@kms_plane_scaling@plane-scaler-with-clipping-clamping-rotation@pipe-b-hdmi-a-2.html

  * igt@kms_plane_scaling@planes-downscale-factor-0-5-unity-scaling@pipe-b-vga-1:
    - shard-snb:          NOTRUN -> [SKIP][50] ([fdo#109271] / [i915#4579]) +9 similar issues
   [50]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_119303v1/shard-snb2/igt@kms_plane_scaling@planes-downscale-factor-0-5-unity-scaling@pipe-b-vga-1.html

  * igt@kms_plane_scaling@planes-downscale-factor-0-75@pipe-a-vga-1:
    - shard-snb:          NOTRUN -> [SKIP][51] ([fdo#109271]) +11 similar issues
   [51]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_119303v1/shard-snb4/igt@kms_plane_scaling@planes-downscale-factor-0-75@pipe-a-vga-1.html

  * igt@kms_plane_scaling@planes-upscale-factor-0-25-downscale-factor-0-25@pipe-a-hdmi-a-1:
    - shard-glk:          NOTRUN -> [SKIP][52] ([fdo#109271]) +52 similar issues
   [52]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_119303v1/shard-glk2/igt@kms_plane_scaling@planes-upscale-factor-0-25-downscale-factor-0-25@pipe-a-hdmi-a-1.html

  * igt@kms_psr2_sf@cursor-plane-update-sf:
    - shard-rkl:          NOTRUN -> [SKIP][53] ([fdo#111068] / [i915#658]) +1 similar issue
   [53]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_119303v1/shard-rkl-1/igt@kms_psr2_sf@cursor-plane-update-sf.html

  * igt@kms_psr@basic:
    - shard-rkl:          NOTRUN -> [SKIP][54] ([i915#1072])
   [54]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_119303v1/shard-rkl-1/igt@kms_psr@basic.html

  * igt@kms_scaling_modes@scaling-mode-full:
    - shard-glk:          NOTRUN -> [SKIP][55] ([fdo#109271] / [i915#4579]) +6 similar issues
   [55]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_119303v1/shard-glk2/igt@kms_scaling_modes@scaling-mode-full.html

  * igt@kms_setmode@basic@pipe-a-hdmi-a-1:
    - shard-snb:          NOTRUN -> [FAIL][56] ([i915#5465]) +1 similar issue
   [56]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_119303v1/shard-snb1/igt@kms_setmode@basic@pipe-a-hdmi-a-1.html

  * igt@kms_vblank@pipe-a-ts-continuation-suspend:
    - shard-apl:          [PASS][57] -> [ABORT][58] ([i915#180])
   [57]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_13269/shard-apl1/igt@kms_vblank@pipe-a-ts-continuation-suspend.html
   [58]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_119303v1/shard-apl6/igt@kms_vblank@pipe-a-ts-continuation-suspend.html

  * igt@kms_vblank@pipe-c-wait-forked:
    - shard-rkl:          NOTRUN -> [SKIP][59] ([i915#4070] / [i915#6768])
   [59]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_119303v1/shard-rkl-1/igt@kms_vblank@pipe-c-wait-forked.html

  * igt@kms_vblank@pipe-d-ts-continuation-dpms-suspend:
    - shard-rkl:          NOTRUN -> [SKIP][60] ([i915#4070] / [i915#533] / [i915#6768]) +1 similar issue
   [60]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_119303v1/shard-rkl-1/igt@kms_vblank@pipe-d-ts-continuation-dpms-suspend.html

  * igt@perf@oa-exponents@0-rcs0:
    - shard-glk:          [PASS][61] -> [ABORT][62] ([i915#5213] / [i915#7941])
   [61]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_13269/shard-glk2/igt@perf@oa-exponents@0-rcs0.html
   [62]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_119303v1/shard-glk6/igt@perf@oa-exponents@0-rcs0.html

  * igt@v3d/v3d_submit_cl@multisync-out-syncs:
    - shard-rkl:          NOTRUN -> [SKIP][63] ([fdo#109315]) +2 similar issues
   [63]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_119303v1/shard-rkl-1/igt@v3d/v3d_submit_cl@multisync-out-syncs.html

  * igt@v3d/v3d_submit_csd@single-out-sync:
    - shard-tglu:         NOTRUN -> [SKIP][64] ([fdo#109315] / [i915#2575])
   [64]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_119303v1/shard-tglu-7/igt@v3d/v3d_submit_csd@single-out-sync.html

  * igt@vc4/vc4_perfmon@create-two-perfmon:
    - shard-rkl:          NOTRUN -> [SKIP][65] ([i915#7711]) +1 similar issue
   [65]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_119303v1/shard-rkl-1/igt@vc4/vc4_perfmon@create-two-perfmon.html

  
#### Possible fixes ####

  * igt@gem_ctx_exec@basic-nohangcheck:
    - shard-rkl:          [FAIL][66] ([i915#6268]) -> [PASS][67]
   [66]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_13269/shard-rkl-6/igt@gem_ctx_exec@basic-nohangcheck.html
   [67]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_119303v1/shard-rkl-4/igt@gem_ctx_exec@basic-nohangcheck.html

  * igt@gem_exec_fair@basic-none-solo@rcs0:
    - shard-apl:          [FAIL][68] ([i915#2842]) -> [PASS][69]
   [68]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_13269/shard-apl7/igt@gem_exec_fair@basic-none-solo@rcs0.html
   [69]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_119303v1/shard-apl3/igt@gem_exec_fair@basic-none-solo@rcs0.html

  * igt@gem_exec_fair@basic-pace-share@rcs0:
    - shard-glk:          [FAIL][70] ([i915#2842]) -> [PASS][71] +1 similar issue
   [70]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_13269/shard-glk1/igt@gem_exec_fair@basic-pace-share@rcs0.html
   [71]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_119303v1/shard-glk2/igt@gem_exec_fair@basic-pace-share@rcs0.html

  * igt@gem_exec_fair@basic-pace@rcs0:
    - shard-rkl:          [FAIL][72] ([i915#2842]) -> [PASS][73] +2 similar issues
   [72]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_13269/shard-rkl-4/igt@gem_exec_fair@basic-pace@rcs0.html
   [73]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_119303v1/shard-rkl-2/igt@gem_exec_fair@basic-pace@rcs0.html

  * igt@gem_exec_suspend@basic-s4-devices@smem:
    - shard-tglu:         [ABORT][74] ([i915#7975] / [i915#8213]) -> [PASS][75]
   [74]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_13269/shard-tglu-10/igt@gem_exec_suspend@basic-s4-devices@smem.html
   [75]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_119303v1/shard-tglu-7/igt@gem_exec_suspend@basic-s4-devices@smem.html

  * igt@i915_pm_rpm@dpms-mode-unset-lpsp:
    - shard-rkl:          [SKIP][76] ([i915#1397]) -> [PASS][77]
   [76]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_13269/shard-rkl-1/igt@i915_pm_rpm@dpms-mode-unset-lpsp.html
   [77]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_119303v1/shard-rkl-7/igt@i915_pm_rpm@dpms-mode-unset-lpsp.html

  * igt@i915_pm_rpm@modeset-non-lpsp:
    - {shard-dg1}:        [SKIP][78] ([i915#1397]) -> [PASS][79] +2 similar issues
   [78]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_13269/shard-dg1-19/igt@i915_pm_rpm@modeset-non-lpsp.html
   [79]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_119303v1/shard-dg1-15/igt@i915_pm_rpm@modeset-non-lpsp.html

  * igt@kms_async_flips@alternate-sync-async-flip@pipe-a-hdmi-a-2:
    - shard-glk:          [FAIL][80] ([i915#2521]) -> [PASS][81]
   [80]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_13269/shard-glk9/igt@kms_async_flips@alternate-sync-async-flip@pipe-a-hdmi-a-2.html
   [81]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_119303v1/shard-glk5/igt@kms_async_flips@alternate-sync-async-flip@pipe-a-hdmi-a-2.html

  * igt@kms_cursor_legacy@flip-vs-cursor-atomic-transitions:
    - shard-glk:          [FAIL][82] ([i915#2346]) -> [PASS][83]
   [82]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_13269/shard-glk3/igt@kms_cursor_legacy@flip-vs-cursor-atomic-transitions.html
   [83]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_119303v1/shard-glk5/igt@kms_cursor_legacy@flip-vs-cursor-atomic-transitions.html

  * igt@kms_cursor_legacy@single-bo@pipe-b:
    - {shard-dg1}:        [INCOMPLETE][84] ([i915#8011] / [i915#8347]) -> [PASS][85] +1 similar issue
   [84]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_13269/shard-dg1-19/igt@kms_cursor_legacy@single-bo@pipe-b.html
   [85]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_119303v1/shard-dg1-18/igt@kms_cursor_legacy@single-bo@pipe-b.html

  
#### Warnings ####

  * igt@i915_pm_rc6_residency@rc6-idle@bcs0:
    - shard-tglu:         [WARN][86] ([i915#2681]) -> [FAIL][87] ([i915#2681] / [i915#3591])
   [86]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_13269/shard-tglu-6/igt@i915_pm_rc6_residency@rc6-idle@bcs0.html
   [87]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_119303v1/shard-tglu-3/igt@i915_pm_rc6_residency@rc6-idle@bcs0.html

  * igt@kms_fbcon_fbt@psr-suspend:
    - shard-rkl:          [SKIP][88] ([i915#3955]) -> [SKIP][89] ([fdo#110189] / [i915#3955])
   [88]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_13269/shard-rkl-4/igt@kms_fbcon_fbt@psr-suspend.html
   [89]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_119303v1/shard-rkl-2/igt@kms_fbcon_fbt@psr-suspend.html

  * igt@kms_multipipe_modeset@basic-max-pipe-crc-check:
    - shard-rkl:          [SKIP][90] ([i915#4070] / [i915#4816]) -> [SKIP][91] ([i915#4816])
   [90]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_13269/shard-rkl-6/igt@kms_multipipe_modeset@basic-max-pipe-crc-check.html
   [91]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_119303v1/shard-rkl-4/igt@kms_multipipe_modeset@basic-max-pipe-crc-check.html

  
  {name}: This element is suppressed. This means it is ignored when computing
          the status of the difference (SUCCESS, WARNING, or FAILURE).

  [fdo#109271]: https://bugs.freedesktop.org/show_bug.cgi?id=109271
  [fdo#109279]: https://bugs.freedesktop.org/show_bug.cgi?id=109279
  [fdo#109289]: https://bugs.freedesktop.org/show_bug.cgi?id=109289
  [fdo#109312]: https://bugs.freedesktop.org/show_bug.cgi?id=109312
  [fdo#109315]: https://bugs.freedesktop.org/show_bug.cgi?id=109315
  [fdo#110189]: https://bugs.freedesktop.org/show_bug.cgi?id=110189
  [fdo#110723]: https://bugs.freedesktop.org/show_bug.cgi?id=110723
  [fdo#111068]: https://bugs.freedesktop.org/show_bug.cgi?id=111068
  [fdo#111614]: https://bugs.freedesktop.org/show_bug.cgi?id=111614
  [fdo#111825]: https://bugs.freedesktop.org/show_bug.cgi?id=111825
  [fdo#111827]: https://bugs.freedesktop.org/show_bug.cgi?id=111827
  [i915#1072]: https://gitlab.freedesktop.org/drm/intel/issues/1072
  [i915#118]: https://gitlab.freedesktop.org/drm/intel/issues/118
  [i915#1397]: https://gitlab.freedesktop.org/drm/intel/issues/1397
  [i915#180]: https://gitlab.freedesktop.org/drm/intel/issues/180
  [i915#1825]: https://gitlab.freedesktop.org/drm/intel/issues/1825
  [i915#2190]: https://gitlab.freedesktop.org/drm/intel/issues/2190
  [i915#2346]: https://gitlab.freedesktop.org/drm/intel/issues/2346
  [i915#2521]: https://gitlab.freedesktop.org/drm/intel/issues/2521
  [i915#2527]: https://gitlab.freedesktop.org/drm/intel/issues/2527
  [i915#2575]: https://gitlab.freedesktop.org/drm/intel/issues/2575
  [i915#2681]: https://gitlab.freedesktop.org/drm/intel/issues/2681
  [i915#2705]: https://gitlab.freedesktop.org/drm/intel/issues/2705
  [i915#2842]: https://gitlab.freedesktop.org/drm/intel/issues/2842
  [i915#3023]: https://gitlab.freedesktop.org/drm/intel/issues/3023
  [i915#3281]: https://gitlab.freedesktop.org/drm/intel/issues/3281
  [i915#3282]: https://gitlab.freedesktop.org/drm/intel/issues/3282
  [i915#3359]: https://gitlab.freedesktop.org/drm/intel/issues/3359
  [i915#3555]: https://gitlab.freedesktop.org/drm/intel/issues/3555
  [i915#3591]: https://gitlab.freedesktop.org/drm/intel/issues/3591
  [i915#3638]: https://gitlab.freedesktop.org/drm/intel/issues/3638
  [i915#3734]: https://gitlab.freedesktop.org/drm/intel/issues/3734
  [i915#3886]: https://gitlab.freedesktop.org/drm/intel/issues/3886
  [i915#3955]: https://gitlab.freedesktop.org/drm/intel/issues/3955
  [i915#3989]: https://gitlab.freedesktop.org/drm/intel/issues/3989
  [i915#4070]: https://gitlab.freedesktop.org/drm/intel/issues/4070
  [i915#4078]: https://gitlab.freedesktop.org/drm/intel/issues/4078
  [i915#4103]: https://gitlab.freedesktop.org/drm/intel/issues/4103
  [i915#4270]: https://gitlab.freedesktop.org/drm/intel/issues/4270
  [i915#4391]: https://gitlab.freedesktop.org/drm/intel/issues/4391
  [i915#4423]: https://gitlab.freedesktop.org/drm/intel/issues/4423
  [i915#454]: https://gitlab.freedesktop.org/drm/intel/issues/454
  [i915#4579]: https://gitlab.freedesktop.org/drm/intel/issues/4579
  [i915#4613]: https://gitlab.freedesktop.org/drm/intel/issues/4613
  [i915#4767]: https://gitlab.freedesktop.org/drm/intel/issues/4767
  [i915#4816]: https://gitlab.freedesktop.org/drm/intel/issues/4816
  [i915#5176]: https://gitlab.freedesktop.org/drm/intel/issues/5176
  [i915#5213]: https://gitlab.freedesktop.org/drm/intel/issues/5213
  [i915#5235]: https://gitlab.freedesktop.org/drm/intel/issues/5235
  [i915#5286]: https://gitlab.freedesktop.org/drm/intel/issues/5286
  [i915#533]: https://gitlab.freedesktop.org/drm/intel/issues/533
  [i915#5354]: https://gitlab.freedesktop.org/drm/intel/issues/5354
  [i915#5439]: https://gitlab.freedesktop.org/drm/intel/issues/5439
  [i915#5465]: https://gitlab.freedesktop.org/drm/intel/issues/5465
  [i915#5566]: https://gitlab.freedesktop.org/drm/intel/issues/5566
  [i915#6095]: https://gitlab.freedesktop.org/drm/intel/issues/6095
  [i915#6268]: https://gitlab.freedesktop.org/drm/intel/issues/6268
  [i915#658]: https://gitlab.freedesktop.org/drm/intel/issues/658
  [i915#6768]: https://gitlab.freedesktop.org/drm/intel/issues/6768
  [i915#7118]: https://gitlab.freedesktop.org/drm/intel/issues/7118
  [i915#7461]: https://gitlab.freedesktop.org/drm/intel/issues/7461
  [i915#7697]: https://gitlab.freedesktop.org/drm/intel/issues/7697
  [i915#7711]: https://gitlab.freedesktop.org/drm/intel/issues/7711
  [i915#7828]: https://gitlab.freedesktop.org/drm/intel/issues/7828
  [i915#79]: https://gitlab.freedesktop.org/drm/intel/issues/79
  [i915#7941]: https://gitlab.freedesktop.org/drm/intel/issues/7941
  [i915#7975]: https://gitlab.freedesktop.org/drm/intel/issues/7975
  [i915#8011]: https://gitlab.freedesktop.org/drm/intel/issues/8011
  [i915#8213]: https://gitlab.freedesktop.org/drm/intel/issues/8213
  [i915#8234]: https://gitlab.freedesktop.org/drm/intel/issues/8234
  [i915#8247]: https://gitlab.freedesktop.org/drm/intel/issues/8247
  [i915#8304]: https://gitlab.freedesktop.org/drm/intel/issues/8304
  [i915#8347]: https://gitlab.freedesktop.org/drm/intel/issues/8347


Build changes
-------------

  * Linux: CI_DRM_13269 -> Patchwork_119303v1

  CI-20190529: 20190529
  CI_DRM_13269: c73de42e50dc07f5ae9342b28be76f2ee015e5af @ git://anongit.freedesktop.org/gfx-ci/linux
  IGT_7327: 34e48b7d6402c3d7af19a40d8951eae017cf64df @ https://gitlab.freedesktop.org/drm/igt-gpu-tools.git
  Patchwork_119303v1: c73de42e50dc07f5ae9342b28be76f2ee015e5af @ git://anongit.freedesktop.org/gfx-ci/linux
  piglit_4509: fdc5a4ca11124ab8413c7988896eec4c97336694 @ git://anongit.freedesktop.org/piglit

== Logs ==

For more details see: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_119303v1/index.html

[-- Attachment #2: Type: text/html, Size: 30650 bytes --]

^ permalink raw reply	[flat|nested] 12+ messages in thread

* Re: [Intel-gfx] [PATCH 3/4] drm/i915: Make intel_crtc_get_vblank_counter use no trace hw reads
  2023-06-13 21:52 ` [Intel-gfx] [PATCH 3/4] drm/i915: Make intel_crtc_get_vblank_counter use no trace hw reads Radhakrishna Sripada
@ 2023-06-22 19:41   ` Lucas De Marchi
  2023-06-22 21:50     ` Sripada, Radhakrishna
  0 siblings, 1 reply; 12+ messages in thread
From: Lucas De Marchi @ 2023-06-22 19:41 UTC (permalink / raw)
  To: Radhakrishna Sripada; +Cc: intel-gfx

On Tue, Jun 13, 2023 at 02:52:44PM -0700, Radhakrishna Sripada wrote:
>intel_crtc_get_vblank_counter is used in many places in the display
>tracing infrastructure. For a clean execution of the tracing assignment,
>ensure that any necessary HW reads would not further trigger another trace,
>to prevent nesting of trace events.


it's not clear what "nesting" means in this patch series. For me
"nesting" would be if in the middle of a trace event it triggered
another trace event. Given our current infra, I don't see how that
would be possible.

Do you mean that certain register accesses are being reported twice
since they are being recorded in 2 different layers like intel_de and
intel_uncore? If so, can you add in the commit message what is the call
chain you're seeing? The indirections in intel_de_read_fw() are not so
easy to follow, but from a quick look I don't see that happening here.

intel_de_read_fw()
   intel_uncore_read_fw()
     __raw_uncore_read32() <-- no trace here
   trace_i915_reg_rw()

What makes intel_de_read_fw() call special in this intel_vblank.c that
is not the case in all the hundred other places this function is called?

The trace_i915_reg_rw() in intel_de_read_fw() was added exactly because
__raw_uncore_read32() doesn't trace.

In xe, we should probably override the intel_de_read_fw() with a
xe-specific function that just leaves the trace out, delegated to
xe_mmio().


Btw, see the comment on top of intel_uncore_read_fw() that nobody reads
and calls to those "raw" accessors are added, making the i915_reg_rw
trace almost useless.

	$ git grep intel_uncore_read_fw | wc -l
	65

The _fw() suffix was meant as: you first take the forcewake, then
you access a bunch of registers, then release the forcewake. The
non-trace is a bad side effect with no clue on the name of the function,
just a comment on top of it.

Lucas De Marchi


>
>Suggested-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
>Signed-off-by: Radhakrishna Sripada <radhakrishna.sripada@intel.com>
>---
> drivers/gpu/drm/i915/display/intel_vblank.c | 7 ++++---
> 1 file changed, 4 insertions(+), 3 deletions(-)
>
>diff --git a/drivers/gpu/drm/i915/display/intel_vblank.c b/drivers/gpu/drm/i915/display/intel_vblank.c
>index f5659ebd08eb..55f3389fa220 100644
>--- a/drivers/gpu/drm/i915/display/intel_vblank.c
>+++ b/drivers/gpu/drm/i915/display/intel_vblank.c
>@@ -103,7 +103,7 @@ u32 i915_get_vblank_counter(struct drm_crtc *crtc)
> 	 * we get a low value that's stable across two reads of the high
> 	 * register.
> 	 */
>-	frame = intel_de_read64_2x32(dev_priv, PIPEFRAMEPIXEL(pipe), PIPEFRAME(pipe));
>+	frame = intel_de_read64_2x32_notrace(dev_priv, PIPEFRAMEPIXEL(pipe), PIPEFRAME(pipe));
>
> 	pixel = frame & PIPE_PIXEL_MASK;
> 	frame = (frame >> PIPE_FRAME_LOW_SHIFT) & 0xffffff;
>@@ -125,7 +125,7 @@ u32 g4x_get_vblank_counter(struct drm_crtc *crtc)
> 	if (!vblank->max_vblank_count)
> 		return 0;
>
>-	return intel_de_read(dev_priv, PIPE_FRMCOUNT_G4X(pipe));
>+	return intel_de_read_notrace(dev_priv, PIPE_FRMCOUNT_G4X(pipe));
> }
>
> static u32 intel_crtc_scanlines_since_frame_timestamp(struct intel_crtc *crtc)
>@@ -324,7 +324,8 @@ static bool i915_get_crtc_scanoutpos(struct drm_crtc *_crtc,
> 		 * We can split this into vertical and horizontal
> 		 * scanout position.
> 		 */
>-		position = (intel_de_read_fw(dev_priv, PIPEFRAMEPIXEL(pipe)) & PIPE_PIXEL_MASK) >> PIPE_PIXEL_SHIFT;
>+		position = (intel_de_read_fw_notrace(dev_priv, PIPEFRAMEPIXEL(pipe)) &
>+			    PIPE_PIXEL_MASK) >> PIPE_PIXEL_SHIFT;
>
> 		/* convert to pixel counts */
> 		vbl_start *= htotal;
>-- 
>2.34.1
>

^ permalink raw reply	[flat|nested] 12+ messages in thread

* Re: [Intel-gfx] [PATCH 3/4] drm/i915: Make intel_crtc_get_vblank_counter use no trace hw reads
  2023-06-22 19:41   ` Lucas De Marchi
@ 2023-06-22 21:50     ` Sripada, Radhakrishna
  0 siblings, 0 replies; 12+ messages in thread
From: Sripada, Radhakrishna @ 2023-06-22 21:50 UTC (permalink / raw)
  To: De Marchi, Lucas; +Cc: intel-gfx@lists.freedesktop.org

Hi Lucas,

> -----Original Message-----
> From: De Marchi, Lucas <lucas.demarchi@intel.com>
> Sent: Thursday, June 22, 2023 12:41 PM
> To: Sripada, Radhakrishna <radhakrishna.sripada@intel.com>
> Cc: intel-gfx@lists.freedesktop.org; Maarten Lankhorst
> <maarten.lankhorst@linux.intel.com>
> Subject: Re: [Intel-gfx] [PATCH 3/4] drm/i915: Make
> intel_crtc_get_vblank_counter use no trace hw reads
> 
> On Tue, Jun 13, 2023 at 02:52:44PM -0700, Radhakrishna Sripada wrote:
> >intel_crtc_get_vblank_counter is used in many places in the display
> >tracing infrastructure. For a clean execution of the tracing assignment,
> >ensure that any necessary HW reads would not further trigger another trace,
> >to prevent nesting of trace events.
> 
> 
> it's not clear what "nesting" means in this patch series. For me
> "nesting" would be if in the middle of a trace event it triggered
> another trace event. Given our current infra, I don't see how that
> would be possible.

Intel_crtc_get_vblank_counter/intel_get_crtc_scanline is used at many of the
trace events defined in intel_display_trace.h like intel_pipe_{en,dis}able, intel_pipe_crc
during the assign phase to capture the current vblank and scanline values. However those
functions indeed use traceable versions of register reads making a nested trace call.

<snip>
   kworker/u29:0-153   [007]   402.314951: kernel_stack:                => trace_event_raw_event_i915_reg_rw
        => __intel_get_crtc_scanline
        => intel_get_crtc_scanline
        => trace_event_raw_event_intel_plane_update_noarm
        => intel_plane_update_noarm
        => intel_crtc_planes_update_noarm
        => intel_update_crtc
        => skl_commit_modeset_enables
</snip>

> 
> Do you mean that certain register accesses are being reported twice
> since they are being recorded in 2 different layers like intel_de and
> intel_uncore? If so, can you add in the commit message what is the call
> chain you're seeing? The indirections in intel_de_read_fw() are not so
> easy to follow, but from a quick look I don't see that happening here.

I haven't observed those style of reporting twice.

--Radhakrishna(RK) Sripada
> 
> intel_de_read_fw()
>    intel_uncore_read_fw()
>      __raw_uncore_read32() <-- no trace here
>    trace_i915_reg_rw()
> 
> What makes intel_de_read_fw() call special in this intel_vblank.c that
> is not the case in all the hundred other places this function is called?
> 
> The trace_i915_reg_rw() in intel_de_read_fw() was added exactly because
> __raw_uncore_read32() doesn't trace.
> 
> In xe, we should probably override the intel_de_read_fw() with a
> xe-specific function that just leaves the trace out, delegated to
> xe_mmio().
> 
> 
> Btw, see the comment on top of intel_uncore_read_fw() that nobody reads
> and calls to those "raw" accessors are added, making the i915_reg_rw
> trace almost useless.
> 
> 	$ git grep intel_uncore_read_fw | wc -l
> 	65
> 
> The _fw() suffix was meant as: you first take the forcewake, then
> you access a bunch of registers, then release the forcewake. The
> non-trace is a bad side effect with no clue on the name of the function,
> just a comment on top of it.
> 
> Lucas De Marchi
> 
> 
> >
> >Suggested-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
> >Signed-off-by: Radhakrishna Sripada <radhakrishna.sripada@intel.com>
> >---
> > drivers/gpu/drm/i915/display/intel_vblank.c | 7 ++++---
> > 1 file changed, 4 insertions(+), 3 deletions(-)
> >
> >diff --git a/drivers/gpu/drm/i915/display/intel_vblank.c
> b/drivers/gpu/drm/i915/display/intel_vblank.c
> >index f5659ebd08eb..55f3389fa220 100644
> >--- a/drivers/gpu/drm/i915/display/intel_vblank.c
> >+++ b/drivers/gpu/drm/i915/display/intel_vblank.c
> >@@ -103,7 +103,7 @@ u32 i915_get_vblank_counter(struct drm_crtc *crtc)
> > 	 * we get a low value that's stable across two reads of the high
> > 	 * register.
> > 	 */
> >-	frame = intel_de_read64_2x32(dev_priv, PIPEFRAMEPIXEL(pipe),
> PIPEFRAME(pipe));
> >+	frame = intel_de_read64_2x32_notrace(dev_priv,
> PIPEFRAMEPIXEL(pipe), PIPEFRAME(pipe));
> >
> > 	pixel = frame & PIPE_PIXEL_MASK;
> > 	frame = (frame >> PIPE_FRAME_LOW_SHIFT) & 0xffffff;
> >@@ -125,7 +125,7 @@ u32 g4x_get_vblank_counter(struct drm_crtc *crtc)
> > 	if (!vblank->max_vblank_count)
> > 		return 0;
> >
> >-	return intel_de_read(dev_priv, PIPE_FRMCOUNT_G4X(pipe));
> >+	return intel_de_read_notrace(dev_priv, PIPE_FRMCOUNT_G4X(pipe));
> > }
> >
> > static u32 intel_crtc_scanlines_since_frame_timestamp(struct intel_crtc *crtc)
> >@@ -324,7 +324,8 @@ static bool i915_get_crtc_scanoutpos(struct drm_crtc
> *_crtc,
> > 		 * We can split this into vertical and horizontal
> > 		 * scanout position.
> > 		 */
> >-		position = (intel_de_read_fw(dev_priv, PIPEFRAMEPIXEL(pipe))
> & PIPE_PIXEL_MASK) >> PIPE_PIXEL_SHIFT;
> >+		position = (intel_de_read_fw_notrace(dev_priv,
> PIPEFRAMEPIXEL(pipe)) &
> >+			    PIPE_PIXEL_MASK) >> PIPE_PIXEL_SHIFT;
> >
> > 		/* convert to pixel counts */
> > 		vbl_start *= htotal;
> >--
> >2.34.1
> >

^ permalink raw reply	[flat|nested] 12+ messages in thread

end of thread, other threads:[~2023-06-22 21:50 UTC | newest]

Thread overview: 12+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2023-06-13 21:52 [Intel-gfx] [PATCH 0/4] Use non traceable api in display trace code Radhakrishna Sripada
2023-06-13 21:52 ` [Intel-gfx] [PATCH 1/4] drm/i915: Add a notrace version of intel_de_read_fw Radhakrishna Sripada
2023-06-13 21:52 ` [Intel-gfx] [PATCH 2/4] drm/i915: Add a dummy notrace version of intel_de_read64_2x32 Radhakrishna Sripada
2023-06-13 21:52 ` [Intel-gfx] [PATCH 3/4] drm/i915: Make intel_crtc_get_vblank_counter use no trace hw reads Radhakrishna Sripada
2023-06-22 19:41   ` Lucas De Marchi
2023-06-22 21:50     ` Sripada, Radhakrishna
2023-06-13 21:52 ` [Intel-gfx] [PATCH 4/4] drm/i915: Make intel_get_crtc_scanline " Radhakrishna Sripada
2023-06-14  1:02 ` [Intel-gfx] ✗ Fi.CI.SPARSE: warning for Use non traceable api in display trace code Patchwork
2023-06-14  1:04   ` philly j
2023-06-14  1:05   ` philly j
2023-06-14  1:16 ` [Intel-gfx] ✓ Fi.CI.BAT: success " Patchwork
2023-06-14  7:37 ` [Intel-gfx] ✓ Fi.CI.IGT: " Patchwork

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