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From: Ville Syrjala <ville.syrjala@linux.intel.com>
To: intel-gfx@lists.freedesktop.org
Subject: [Intel-gfx] [PATCH v2 06/18] drm/i915: Fix adl+ degamma LUT size
Date: Thu, 10 Nov 2022 10:21:32 +0200	[thread overview]
Message-ID: <20221110082144.19666-7-ville.syrjala@linux.intel.com> (raw)
In-Reply-To: <20221110082144.19666-1-ville.syrjala@linux.intel.com>

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

The degamma LUT is interpolated so we need the 128th (==1.0)
entry to represent the full < 1.0 input range. Only the 129th
and 130th entries are strictly for the >=1.0 extended range
inputs.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
---
 drivers/gpu/drm/i915/i915_pci.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/i915_pci.c b/drivers/gpu/drm/i915/i915_pci.c
index 211913be40ce..c50841e36c61 100644
--- a/drivers/gpu/drm/i915/i915_pci.c
+++ b/drivers/gpu/drm/i915/i915_pci.c
@@ -948,7 +948,7 @@ static const struct intel_device_info adl_s_info = {
 #define XE_LPD_FEATURES \
 	.display.abox_mask = GENMASK(1, 0),					\
 	.display.color = {							\
-		.degamma_lut_size = 128, .gamma_lut_size = 1024,		\
+		.degamma_lut_size = 129, .gamma_lut_size = 1024,		\
 		.degamma_lut_tests = DRM_COLOR_LUT_NON_DECREASING |		\
 				     DRM_COLOR_LUT_EQUAL_CHANNELS,		\
 	},									\
-- 
2.37.4


  parent reply	other threads:[~2022-11-10  8:22 UTC|newest]

Thread overview: 44+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-11-10  8:21 [Intel-gfx] [PATCH v2 00/18] drm/i915: Finish (de)gamma readout Ville Syrjala
2022-11-10  8:21 ` [Intel-gfx] [PATCH v2 01/18] drm/i915: Clean up legacy palette defines Ville Syrjala
2022-11-11 15:09   ` Jani Nikula
2022-11-11 18:24     ` Ville Syrjälä
2022-11-10  8:21 ` [Intel-gfx] [PATCH v2 02/18] drm/i915: Clean up 10bit precision " Ville Syrjala
2022-11-11 15:10   ` Jani Nikula
2022-11-10  8:21 ` [Intel-gfx] [PATCH v2 03/18] drm/i915: Clean up 12.4bit " Ville Syrjala
2022-11-11 15:13   ` Jani Nikula
2022-11-10  8:21 ` [Intel-gfx] [PATCH v2 04/18] drm/i915: Clean up chv CGM (de)gamma defines Ville Syrjala
2022-11-11 15:15   ` Jani Nikula
2022-11-10  8:21 ` [Intel-gfx] [PATCH v2 05/18] drm/i915: Reorder 12.4 lut udw vs. ldw functions Ville Syrjala
2022-11-11 15:15   ` Jani Nikula
2022-11-10  8:21 ` Ville Syrjala [this message]
2022-11-10  8:21 ` [Intel-gfx] [PATCH v2 07/18] drm/i915: Add glk+ degamma readout Ville Syrjala
2022-11-10  8:21 ` [Intel-gfx] [PATCH v2 08/18] drm/i915: Read out CHV CGM degamma Ville Syrjala
2022-11-10  8:21 ` [Intel-gfx] [PATCH v2 09/18] drm/i915: Add gamma/degamma readout for bdw+ Ville Syrjala
2022-11-10  8:21 ` [Intel-gfx] [PATCH v2 10/18] drm/i915: Add gamma/degamma readout for ivb/hsw Ville Syrjala
2022-11-10  8:21 ` [Intel-gfx] [PATCH v2 11/18] drm/i915: Make ilk_read_luts() capable of degamma readout Ville Syrjala
2022-11-10  8:21 ` [Intel-gfx] [PATCH v2 12/18] drm/i915: Make .read_luts() mandatory Ville Syrjala
2022-11-10  8:21 ` [Intel-gfx] [PATCH v2 13/18] drm/i915: Finish the LUT state checker Ville Syrjala
2022-11-12 15:55   ` [Intel-gfx] [PATCH v3 " Ville Syrjala
2022-11-10  8:21 ` [Intel-gfx] [PATCH v2 14/18] drm/i915: Rework legacy LUT handling Ville Syrjala
2022-11-10  8:21 ` [Intel-gfx] [PATCH v2 15/18] drm/i915: Use hw degamma LUT for sw gamma on glk with YCbCr output Ville Syrjala
2022-11-10  8:21 ` [Intel-gfx] [PATCH v2 16/18] drm/i915: Use gamma LUT for RGB limited range compression Ville Syrjala
2022-11-10  8:21 ` [Intel-gfx] [PATCH v2 17/18] drm/i915: Add 10bit gamma mode for gen2/3 Ville Syrjala
2022-11-12 15:56   ` [Intel-gfx] [PATCH v3 " Ville Syrjala
2022-11-10  8:21 ` [Intel-gfx] [PATCH v2 18/18] drm/i915: Do state check for color management changes Ville Syrjala
2022-11-11 14:37   ` [Intel-gfx] [PATCH v3 " Ville Syrjala
2022-11-10 21:55 ` [Intel-gfx] ✗ Fi.CI.CHECKPATCH: warning for drm/i915: Finish (de)gamma readout (rev2) Patchwork
2022-11-10 21:55 ` [Intel-gfx] ✗ Fi.CI.SPARSE: " Patchwork
2022-11-10 22:17 ` [Intel-gfx] ✗ Fi.CI.BAT: failure " Patchwork
2022-11-11 14:59 ` [Intel-gfx] ✗ Fi.CI.SPARSE: warning for drm/i915: Finish (de)gamma readout (rev3) Patchwork
2022-11-11 15:24 ` [Intel-gfx] ✗ Fi.CI.BAT: failure " Patchwork
2022-11-11 19:27 ` [Intel-gfx] ✗ Fi.CI.CHECKPATCH: warning for drm/i915: Finish (de)gamma readout (rev4) Patchwork
2022-11-11 19:27 ` [Intel-gfx] ✗ Fi.CI.SPARSE: " Patchwork
2022-11-11 19:49 ` [Intel-gfx] ✓ Fi.CI.BAT: success " Patchwork
2022-11-12 12:47 ` [Intel-gfx] ✗ Fi.CI.IGT: failure " Patchwork
2022-11-12 16:37 ` [Intel-gfx] ✗ Fi.CI.CHECKPATCH: warning for drm/i915: Finish (de)gamma readout (rev6) Patchwork
2022-11-12 16:37 ` [Intel-gfx] ✗ Fi.CI.SPARSE: " Patchwork
2022-11-12 16:59 ` [Intel-gfx] ✗ Fi.CI.BAT: failure " Patchwork
2022-11-12 19:47 ` [Intel-gfx] ✗ Fi.CI.CHECKPATCH: warning for drm/i915: Finish (de)gamma readout (rev7) Patchwork
2022-11-12 19:47 ` [Intel-gfx] ✗ Fi.CI.SPARSE: " Patchwork
2022-11-12 20:09 ` [Intel-gfx] ✓ Fi.CI.BAT: success " Patchwork
2022-11-12 21:49 ` [Intel-gfx] ✗ Fi.CI.IGT: failure " Patchwork

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