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* [Intel-gfx] [PATCH 1/3] drm/i915: Skip cursor when writing PLANE_CHICKEN
@ 2023-03-29 19:04 Ville Syrjala
  2023-03-29 19:04 ` [Intel-gfx] [PATCH 2/3] drm/i915: Document that PLANE_CHICKEN are for tgl+ Ville Syrjala
                   ` (3 more replies)
  0 siblings, 4 replies; 6+ messages in thread
From: Ville Syrjala @ 2023-03-29 19:04 UTC (permalink / raw)
  To: intel-gfx

From: Ville Syrjälä <ville.syrjala@linux.intel.com>

Cursor is not a universal plane and thus doesn't have the
PLANE_CHICKEN register. Skip it.

Fixes: c5de248484af ("drm/i915/dpt: Add a modparam to disable DPT via the chicken bit")
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
---
 drivers/gpu/drm/i915/display/intel_dpt.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/display/intel_dpt.c b/drivers/gpu/drm/i915/display/intel_dpt.c
index 2bf5cce232d5..b8027392144d 100644
--- a/drivers/gpu/drm/i915/display/intel_dpt.c
+++ b/drivers/gpu/drm/i915/display/intel_dpt.c
@@ -324,10 +324,14 @@ void intel_dpt_configure(struct intel_crtc *crtc)
 		enum pipe pipe = crtc->pipe;
 		enum plane_id plane_id;
 
-		for_each_plane_id_on_crtc(crtc, plane_id)
+		for_each_plane_id_on_crtc(crtc, plane_id) {
+			if (plane_id == PLANE_CURSOR)
+				continue;
+
 			intel_de_rmw(i915, PLANE_CHICKEN(pipe, plane_id),
 				     PLANE_CHICKEN_DISABLE_DPT,
 				     i915->params.enable_dpt ? 0 : PLANE_CHICKEN_DISABLE_DPT);
+		}
 	} else if (DISPLAY_VER(i915) == 13) {
 		intel_de_rmw(i915, CHICKEN_MISC_2,
 			     CHICKEN_MISC_DISABLE_DPT,
-- 
2.39.2


^ permalink raw reply related	[flat|nested] 6+ messages in thread

end of thread, other threads:[~2023-03-31 10:51 UTC | newest]

Thread overview: 6+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2023-03-29 19:04 [Intel-gfx] [PATCH 1/3] drm/i915: Skip cursor when writing PLANE_CHICKEN Ville Syrjala
2023-03-29 19:04 ` [Intel-gfx] [PATCH 2/3] drm/i915: Document that PLANE_CHICKEN are for tgl+ Ville Syrjala
2023-03-29 19:04 ` [Intel-gfx] [PATCH 3/3] drm/i915: Define cursor chicken reg Ville Syrjala
2023-03-31 10:51   ` Imre Deak
2023-03-29 22:43 ` [Intel-gfx] ✓ Fi.CI.BAT: success for series starting with [1/3] drm/i915: Skip cursor when writing PLANE_CHICKEN Patchwork
2023-03-30 16:12 ` [Intel-gfx] ✓ Fi.CI.IGT: " Patchwork

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