From: Ville Syrjala <ville.syrjala@linux.intel.com>
To: intel-gfx@lists.freedesktop.org
Subject: [Intel-gfx] [PATCH v2 08/19] drm/i915/dsb: Introduce intel_dsb_noop()
Date: Tue, 6 Jun 2023 22:14:53 +0300 [thread overview]
Message-ID: <20230606191504.18099-9-ville.syrjala@linux.intel.com> (raw)
In-Reply-To: <20230606191504.18099-1-ville.syrjala@linux.intel.com>
From: Ville Syrjälä <ville.syrjala@linux.intel.com>
Add a helper for emitting a number of DSB NOOPs commands.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
---
drivers/gpu/drm/i915/display/intel_dsb.c | 9 +++++++++
drivers/gpu/drm/i915/display/intel_dsb.h | 1 +
2 files changed, 10 insertions(+)
diff --git a/drivers/gpu/drm/i915/display/intel_dsb.c b/drivers/gpu/drm/i915/display/intel_dsb.c
index 22c716ee75e2..4ef799c087b4 100644
--- a/drivers/gpu/drm/i915/display/intel_dsb.c
+++ b/drivers/gpu/drm/i915/display/intel_dsb.c
@@ -234,6 +234,15 @@ void intel_dsb_reg_write(struct intel_dsb *dsb,
}
}
+void intel_dsb_noop(struct intel_dsb *dsb, int count)
+{
+ int i;
+
+ for (i = 0; i < count; i++)
+ intel_dsb_emit(dsb, 0,
+ DSB_OPCODE_NOOP << DSB_OPCODE_SHIFT);
+}
+
static void intel_dsb_align_tail(struct intel_dsb *dsb)
{
u32 aligned_tail, tail;
diff --git a/drivers/gpu/drm/i915/display/intel_dsb.h b/drivers/gpu/drm/i915/display/intel_dsb.h
index b8148b47022d..5a08bc21beda 100644
--- a/drivers/gpu/drm/i915/display/intel_dsb.h
+++ b/drivers/gpu/drm/i915/display/intel_dsb.h
@@ -19,6 +19,7 @@ void intel_dsb_finish(struct intel_dsb *dsb);
void intel_dsb_cleanup(struct intel_dsb *dsb);
void intel_dsb_reg_write(struct intel_dsb *dsb,
i915_reg_t reg, u32 val);
+void intel_dsb_noop(struct intel_dsb *dsb, int count);
void intel_dsb_commit(struct intel_dsb *dsb,
bool wait_for_vblank);
void intel_dsb_wait(struct intel_dsb *dsb);
--
2.39.3
next prev parent reply other threads:[~2023-06-06 19:15 UTC|newest]
Thread overview: 54+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-06-06 19:14 [Intel-gfx] [PATCH v2 00/19] drm/i915: Load LUTs with DSB Ville Syrjala
2023-06-06 19:14 ` [Intel-gfx] [PATCH v2 01/19] drm/i915: Constify LUT entries in checker Ville Syrjala
2023-07-05 9:43 ` Manna, Animesh
2023-06-06 19:14 ` [Intel-gfx] [PATCH v2 02/19] drm/i915/dsb: Use non-locked register access Ville Syrjala
2023-06-08 11:46 ` Jani Nikula
2023-09-11 20:22 ` Shankar, Uma
2023-09-12 7:37 ` Jani Nikula
2023-09-12 7:49 ` Shankar, Uma
2023-06-06 19:14 ` [Intel-gfx] [PATCH v2 03/19] drm/i915/dsb: Dump the DSB command buffer when DSB fails Ville Syrjala
2023-07-11 4:55 ` Manna, Animesh
2023-06-06 19:14 ` [Intel-gfx] [PATCH v2 04/19] drm/i915/dsb: Define more DSB bits Ville Syrjala
2023-09-11 20:32 ` Shankar, Uma
2023-06-06 19:14 ` [Intel-gfx] [PATCH v2 05/19] drm/i915/dsb: Define the contents of some intstructions bit better Ville Syrjala
2023-09-11 20:50 ` Shankar, Uma
2023-09-27 15:38 ` Ville Syrjälä
2023-09-27 16:16 ` Shankar, Uma
2023-06-06 19:14 ` [Intel-gfx] [PATCH v2 06/19] drm/i915/dsb: Avoid corrupting the first register write Ville Syrjala
2023-07-05 9:39 ` Manna, Animesh
2023-07-05 9:46 ` Manna, Animesh
2023-06-06 19:14 ` [Intel-gfx] [PATCH v2 07/19] drm/i915/dsb: Don't use indexed writes when byte enables are not all set Ville Syrjala
2023-07-11 5:00 ` Manna, Animesh
2023-06-06 19:14 ` Ville Syrjala [this message]
2023-09-11 20:52 ` [Intel-gfx] [PATCH v2 08/19] drm/i915/dsb: Introduce intel_dsb_noop() Shankar, Uma
2023-06-06 19:14 ` [Intel-gfx] [PATCH v2 09/19] drm/i915/dsb: Introduce intel_dsb_reg_write_masked() Ville Syrjala
2023-09-11 20:55 ` Shankar, Uma
2023-06-06 19:14 ` [Intel-gfx] [PATCH v2 10/19] drm/i915/dsb: Add support for non-posted DSB registers writes Ville Syrjala
2023-07-11 5:43 ` Manna, Animesh
2023-09-11 21:04 ` Shankar, Uma
2023-06-06 19:14 ` [Intel-gfx] [PATCH v2 11/19] drm/i915/dsb: Don't use DSB to load the LUTs during full modeset Ville Syrjala
2023-09-11 21:09 ` Shankar, Uma
2023-06-06 19:14 ` [Intel-gfx] [PATCH v2 12/19] drm/i915/dsb: Load LUTs using the DSB during vblank Ville Syrjala
2023-09-13 16:24 ` Shankar, Uma
2023-06-06 19:14 ` [Intel-gfx] [PATCH v2 13/19] drm/i915/dsb: Use non-posted register writes for legacy LUT Ville Syrjala
2023-09-13 17:02 ` Shankar, Uma
2023-06-06 19:14 ` [Intel-gfx] [PATCH v2 14/19] drm/i915/dsb: Evade transcoder undelayed vblank when using DSB Ville Syrjala
2023-09-13 17:13 ` Shankar, Uma
2023-06-06 19:15 ` [Intel-gfx] [PATCH v2 15/19] drm/i915: Introduce skl_watermark_max_latency() Ville Syrjala
2023-09-13 17:25 ` Shankar, Uma
2023-06-06 19:15 ` [Intel-gfx] [PATCH v2 16/19] drm/i915: Introudce intel_crtc_scanline_to_hw() Ville Syrjala
2023-09-13 17:37 ` Shankar, Uma
2023-06-06 19:15 ` [Intel-gfx] [PATCH v2 17/19] drm/i915/dsb: Use DEwake to combat PkgC latency Ville Syrjala
2023-09-13 18:08 ` Shankar, Uma
2023-09-27 15:51 ` Ville Syrjälä
2023-09-27 16:11 ` Shankar, Uma
2023-06-06 19:15 ` [Intel-gfx] [PATCH v2 18/19] drm/i915/dsb: Re-instate DSB for LUT updates Ville Syrjala
2023-09-13 18:09 ` Shankar, Uma
2025-01-13 19:26 ` Ed Maste
2025-01-17 14:51 ` Ville Syrjälä
2023-06-06 19:15 ` [Intel-gfx] [PATCH v2 19/19] drm/i915: Do state check for color management changes Ville Syrjala
2023-06-06 22:34 ` [Intel-gfx] ✗ Fi.CI.CHECKPATCH: warning for drm/i915: Load LUTs with DSB (rev2) Patchwork
2023-06-06 22:34 ` [Intel-gfx] ✗ Fi.CI.SPARSE: " Patchwork
2023-06-06 22:48 ` [Intel-gfx] ✓ Fi.CI.BAT: success " Patchwork
2023-06-07 14:02 ` [Intel-gfx] ✗ Fi.CI.IGT: failure " Patchwork
2023-09-27 16:05 ` [Intel-gfx] [PATCH v2 00/19] drm/i915: Load LUTs with DSB Ville Syrjälä
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