[v4,1/4] drm/i915: Change gamma/degamma_lut_size data type to u32
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Message ID 1560321900-18318-2-git-send-email-uma.shankar@intel.com
State New
Headers show
Series
  • Enable Multi-segmented-gamma for ICL
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Commit Message

Shankar, Uma June 12, 2019, 6:44 a.m. UTC
From: Shashank Sharma <shashank.sharma@intel.com>

Currently, data type of gamma_lut_size & degamma_lut_size elements
in intel_device_info is u16, which means it can accommodate maximum
64k values. In case of ICL multisegmented gamma, the size of gamma
LUT is 256K.

This patch changes the data type of both of these elements to u32.

Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Cc: Uma Shankar <uma.shankar@intel.com>

V4: Added Uma's r-b.

Reviewed-by: Uma Shankar <uma.shankar@intel.com>
Signed-off-by: Shashank Sharma <shashank.sharma@intel.com>
---
 drivers/gpu/drm/i915/intel_device_info.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

Patch
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diff --git a/drivers/gpu/drm/i915/intel_device_info.h b/drivers/gpu/drm/i915/intel_device_info.h
index 1fb8b50..8a6b76a 100644
--- a/drivers/gpu/drm/i915/intel_device_info.h
+++ b/drivers/gpu/drm/i915/intel_device_info.h
@@ -178,8 +178,8 @@  struct intel_device_info {
 	int cursor_offsets[I915_MAX_PIPES];
 
 	struct color_luts {
-		u16 degamma_lut_size;
-		u16 gamma_lut_size;
+		u32 degamma_lut_size;
+		u32 gamma_lut_size;
 		u32 degamma_lut_tests;
 		u32 gamma_lut_tests;
 	} color;