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From: Chaitanya Kumar Borah <chaitanya.kumar.borah@intel.com>
To: intel-xe@lists.freedesktop.org, intel-gfx@lists.freedesktop.org
Cc: ville.syrjala@linux.intel.com, uma.shankar@intel.com,
	chaitanya.kumar.borah@intel.com, animesh.manna@intel.com
Subject: [PATCH 07/11] drm/i915: s/dsb_color_vblank/dsb_color
Date: Tue,  8 Apr 2025 16:30:18 +0530	[thread overview]
Message-ID: <20250408110022.1907802-8-chaitanya.kumar.borah@intel.com> (raw)
In-Reply-To: <20250408110022.1907802-1-chaitanya.kumar.borah@intel.com>

With double buffer gamma registers in the mix, we need not wait for
vblank to execute gamma writes through dsb. Before we implement
that s/dsb_color_vblank/dsb_color.

Signed-off-by: Chaitanya Kumar Borah <chaitanya.kumar.borah@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
---
 drivers/gpu/drm/i915/display/intel_atomic.c   |  4 +-
 drivers/gpu/drm/i915/display/intel_color.c    | 38 +++++++++----------
 drivers/gpu/drm/i915/display/intel_display.c  | 10 ++---
 .../drm/i915/display/intel_display_types.h    |  2 +-
 4 files changed, 27 insertions(+), 27 deletions(-)

diff --git a/drivers/gpu/drm/i915/display/intel_atomic.c b/drivers/gpu/drm/i915/display/intel_atomic.c
index e83feca5c9c9..f85edb374c97 100644
--- a/drivers/gpu/drm/i915/display/intel_atomic.c
+++ b/drivers/gpu/drm/i915/display/intel_atomic.c
@@ -274,7 +274,7 @@ intel_crtc_duplicate_state(struct drm_crtc *crtc)
 	crtc_state->do_async_flip = false;
 	crtc_state->fb_bits = 0;
 	crtc_state->update_planes = 0;
-	crtc_state->dsb_color_vblank = NULL;
+	crtc_state->dsb_color = NULL;
 	crtc_state->dsb_commit = NULL;
 	crtc_state->use_dsb = false;
 
@@ -310,7 +310,7 @@ intel_crtc_destroy_state(struct drm_crtc *crtc,
 {
 	struct intel_crtc_state *crtc_state = to_intel_crtc_state(state);
 
-	drm_WARN_ON(crtc->dev, crtc_state->dsb_color_vblank);
+	drm_WARN_ON(crtc->dev, crtc_state->dsb_color);
 	drm_WARN_ON(crtc->dev, crtc_state->dsb_commit);
 
 	__drm_atomic_helper_crtc_destroy_state(&crtc_state->uapi);
diff --git a/drivers/gpu/drm/i915/display/intel_color.c b/drivers/gpu/drm/i915/display/intel_color.c
index 98dddf72c0eb..bb2da3a53e9c 100644
--- a/drivers/gpu/drm/i915/display/intel_color.c
+++ b/drivers/gpu/drm/i915/display/intel_color.c
@@ -1339,8 +1339,8 @@ static void ilk_lut_write(const struct intel_crtc_state *crtc_state,
 {
 	struct intel_display *display = to_intel_display(crtc_state);
 
-	if (crtc_state->dsb_color_vblank)
-		intel_dsb_reg_write(crtc_state->dsb_color_vblank, reg, val);
+	if (crtc_state->dsb_color)
+		intel_dsb_reg_write(crtc_state->dsb_color, reg, val);
 	else
 		intel_de_write_fw(display, reg, val);
 }
@@ -1350,8 +1350,8 @@ static void ilk_lut_write_indexed(const struct intel_crtc_state *crtc_state,
 {
 	struct intel_display *display = to_intel_display(crtc_state);
 
-	if (crtc_state->dsb_color_vblank)
-		intel_dsb_reg_write_indexed(crtc_state->dsb_color_vblank, reg, val);
+	if (crtc_state->dsb_color)
+		intel_dsb_reg_write_indexed(crtc_state->dsb_color, reg, val);
 	else
 		intel_de_write_fw(display, reg, val);
 }
@@ -1389,7 +1389,7 @@ static void ilk_load_lut_8(const struct intel_crtc_state *crtc_state,
 	for (i = 0; i < 256; i++) {
 		ilk_lut_write(crtc_state, LGC_PALETTE(pipe, i),
 			      i9xx_lut_8(&lut[i]));
-		if (crtc_state->dsb_color_vblank)
+		if (crtc_state->dsb_color)
 			ilk_lut_write(crtc_state, LGC_PALETTE(pipe, i),
 				      i9xx_lut_8(&lut[i]));
 	}
@@ -1917,7 +1917,7 @@ void intel_color_load_luts(const struct intel_crtc_state *crtc_state)
 {
 	struct intel_display *display = to_intel_display(crtc_state);
 
-	if (crtc_state->dsb_color_vblank)
+	if (crtc_state->dsb_color)
 		return;
 
 	display->funcs.color->load_luts(crtc_state);
@@ -1982,39 +1982,39 @@ void intel_color_prepare_commit(struct intel_atomic_state *state,
 	if (!crtc_state->pre_csc_lut && !crtc_state->post_csc_lut)
 		return;
 
-	crtc_state->dsb_color_vblank = intel_dsb_prepare(state, crtc, INTEL_DSB_1, 1024);
-	if (!crtc_state->dsb_color_vblank)
+	crtc_state->dsb_color = intel_dsb_prepare(state, crtc, INTEL_DSB_1, 1024);
+	if (!crtc_state->dsb_color)
 		return;
 
 	display->funcs.color->load_luts(crtc_state);
 
 	if (crtc_state->use_dsb) {
-		intel_vrr_send_push(crtc_state->dsb_color_vblank, crtc_state);
-		intel_dsb_wait_vblank_delay(state, crtc_state->dsb_color_vblank);
-		intel_vrr_check_push_sent(crtc_state->dsb_color_vblank, crtc_state);
-		intel_dsb_interrupt(crtc_state->dsb_color_vblank);
+		intel_vrr_send_push(crtc_state->dsb_color, crtc_state);
+		intel_dsb_wait_vblank_delay(state, crtc_state->dsb_color);
+		intel_vrr_check_push_sent(crtc_state->dsb_color, crtc_state);
+		intel_dsb_interrupt(crtc_state->dsb_color);
 	}
 
-	intel_dsb_finish(crtc_state->dsb_color_vblank);
+	intel_dsb_finish(crtc_state->dsb_color);
 }
 
 void intel_color_cleanup_commit(struct intel_crtc_state *crtc_state)
 {
-	if (crtc_state->dsb_color_vblank) {
-		intel_dsb_cleanup(crtc_state->dsb_color_vblank);
-		crtc_state->dsb_color_vblank = NULL;
+	if (crtc_state->dsb_color) {
+		intel_dsb_cleanup(crtc_state->dsb_color);
+		crtc_state->dsb_color = NULL;
 	}
 }
 
 void intel_color_wait_commit(const struct intel_crtc_state *crtc_state)
 {
-	if (crtc_state->dsb_color_vblank)
-		intel_dsb_wait(crtc_state->dsb_color_vblank);
+	if (crtc_state->dsb_color)
+		intel_dsb_wait(crtc_state->dsb_color);
 }
 
 bool intel_color_uses_dsb(const struct intel_crtc_state *crtc_state)
 {
-	return crtc_state->dsb_color_vblank;
+	return crtc_state->dsb_color;
 }
 
 static bool intel_can_preload_luts(struct intel_atomic_state *state,
diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c
index 16fd7c00ba01..c940ffb500e0 100644
--- a/drivers/gpu/drm/i915/display/intel_display.c
+++ b/drivers/gpu/drm/i915/display/intel_display.c
@@ -7184,7 +7184,7 @@ static void intel_atomic_dsb_finish(struct intel_atomic_state *state,
 	struct intel_crtc_state *new_crtc_state =
 		intel_atomic_get_new_crtc_state(state, crtc);
 
-	if (!new_crtc_state->use_dsb && !new_crtc_state->dsb_color_vblank)
+	if (!new_crtc_state->use_dsb && !new_crtc_state->dsb_color)
 		return;
 
 	/*
@@ -7231,7 +7231,7 @@ static void intel_atomic_dsb_finish(struct intel_atomic_state *state,
 			skl_detach_scalers(new_crtc_state->dsb_commit,
 					   new_crtc_state);
 
-		if (!new_crtc_state->dsb_color_vblank) {
+		if (!new_crtc_state->dsb_color) {
 			intel_dsb_wait_vblanks(new_crtc_state->dsb_commit, 1);
 
 			intel_vrr_send_push(new_crtc_state->dsb_commit, new_crtc_state);
@@ -7241,9 +7241,9 @@ static void intel_atomic_dsb_finish(struct intel_atomic_state *state,
 		}
 	}
 
-	if (new_crtc_state->dsb_color_vblank)
+	if (new_crtc_state->dsb_color)
 		intel_dsb_chain(state, new_crtc_state->dsb_commit,
-				new_crtc_state->dsb_color_vblank, true);
+				new_crtc_state->dsb_color, true);
 
 	intel_dsb_finish(new_crtc_state->dsb_commit);
 }
@@ -7432,7 +7432,7 @@ static void intel_atomic_commit_tail(struct intel_atomic_state *state)
 		 *
 		 * FIXME get rid of this funny new->old swapping
 		 */
-		old_crtc_state->dsb_color_vblank = fetch_and_zero(&new_crtc_state->dsb_color_vblank);
+		old_crtc_state->dsb_color = fetch_and_zero(&new_crtc_state->dsb_color);
 		old_crtc_state->dsb_commit = fetch_and_zero(&new_crtc_state->dsb_commit);
 	}
 
diff --git a/drivers/gpu/drm/i915/display/intel_display_types.h b/drivers/gpu/drm/i915/display/intel_display_types.h
index 94468a9d2e0d..4add0d2f93a3 100644
--- a/drivers/gpu/drm/i915/display/intel_display_types.h
+++ b/drivers/gpu/drm/i915/display/intel_display_types.h
@@ -1292,7 +1292,7 @@ struct intel_crtc_state {
 	enum transcoder mst_master_transcoder;
 
 	/* For DSB based pipe updates */
-	struct intel_dsb *dsb_color_vblank, *dsb_commit;
+	struct intel_dsb *dsb_color, *dsb_commit;
 	bool use_dsb;
 
 	u32 psr2_man_track_ctl;
-- 
2.25.1


  parent reply	other threads:[~2025-04-08 11:15 UTC|newest]

Thread overview: 37+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-04-08 11:00 [PATCH 00/11] drm/xe/display: Program double buffered LUT registers Chaitanya Kumar Borah
2025-04-08 11:00 ` [PATCH 01/11] drm/i915/dsb: Extract intel_dsb_ins_align() Chaitanya Kumar Borah
2025-04-21 12:40   ` Manna, Animesh
2025-04-08 11:00 ` [PATCH 02/11] drm/i915/dsb: Extract assert_dsb_tail_is_aligned() Chaitanya Kumar Borah
2025-04-21 12:43   ` Manna, Animesh
2025-04-08 11:00 ` [PATCH 03/11] drm/i915/dsb: Extract intel_dsb_{head,tail}() Chaitanya Kumar Borah
2025-04-21 12:44   ` Manna, Animesh
2025-04-08 11:00 ` [PATCH 04/11] drm/i915/dsb: Implement intel_dsb_gosub() Chaitanya Kumar Borah
2025-04-16  7:28   ` Manna, Animesh
2025-04-08 11:00 ` [PATCH v2 05/11] drm/i915/dsb: add intel_dsb_gosub_finish() Chaitanya Kumar Borah
2025-05-14  9:19   ` Shankar, Uma
2025-04-08 11:00 ` [PATCH v2 06/11] drm/i915/dsb: Add support for GOSUB interrupt Chaitanya Kumar Borah
2025-05-14  9:46   ` Shankar, Uma
2025-04-08 11:00 ` Chaitanya Kumar Borah [this message]
2025-04-08 11:00 ` [PATCH v2 08/11] drm/i915: use GOSUB to program doubled buffered LUT registers Chaitanya Kumar Borah
2025-05-14 11:40   ` Shankar, Uma
2025-04-08 11:00 ` [PATCH v2 09/11] drm/i915: Program DB LUT registers before vblank Chaitanya Kumar Borah
2025-05-14 11:44   ` Shankar, Uma
2025-04-08 11:00 ` [PATCH 10/11] drm/i915/color: Do not pre-load LUTs with DB registers Chaitanya Kumar Borah
2025-05-14 11:46   ` Shankar, Uma
2025-04-08 11:00 ` [PATCH 11/11] drm/i915: Disable updating of LUT values during vblank Chaitanya Kumar Borah
2025-05-14 11:50   ` Shankar, Uma
2025-04-08 11:21 ` ✓ CI.Patch_applied: success for drm/xe/display: Program double buffered LUT registers (rev6) Patchwork
2025-04-08 11:21 ` ✓ CI.checkpatch: " Patchwork
2025-04-08 11:22 ` ✓ CI.KUnit: " Patchwork
2025-04-08 11:26 ` ✗ CI.Build: failure " Patchwork
2025-04-08 21:37 ` ✓ CI.Patch_applied: success for drm/xe/display: Program double buffered LUT registers (rev7) Patchwork
2025-04-08 21:37 ` ✓ CI.checkpatch: " Patchwork
2025-04-08 21:38 ` ✓ CI.KUnit: " Patchwork
2025-04-08 22:05 ` ✓ CI.Build: " Patchwork
2025-04-08 22:08 ` ✓ CI.Hooks: " Patchwork
2025-04-08 22:10 ` ✗ CI.checksparse: warning " Patchwork
2025-04-08 22:55 ` ✓ Xe.CI.BAT: success " Patchwork
2025-04-08 23:58 ` ✗ Xe.CI.Full: failure " Patchwork
2025-04-09  6:27 ` Patchwork
  -- strict thread matches above, loose matches on Subject: below --
2025-04-07 14:23 [PATCH 00/11] drm/xe/display: Program double buffered LUT registers Chaitanya Kumar Borah
2025-04-07 14:23 ` [PATCH 07/11] drm/i915: s/dsb_color_vblank/dsb_color Chaitanya Kumar Borah
2025-04-07 16:39   ` Ville Syrjälä

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