[Intel-gfx] [PATCH v3 1/4] drm/i915: Change gamma/degamma_lut_size data type to u32

[Shankar, Uma]

>-----Original Message-----
>From: Sharma, Shashank
>Sent: Tuesday, May 7, 2019 7:27 PM
>To: intel-gfx at lists.freedesktop.org
>Cc: Sharma, Shashank <shashank.sharma at intel.com>; Ville Syrjälä
><ville.syrjala at linux.intel.com>; Maarten Lankhorst
><maarten.lankhorst at linux.intel.com>; Shankar, Uma <uma.shankar at intel.com>
>Subject: [PATCH v3 1/4] drm/i915: Change gamma/degamma_lut_size data type to
>u32
>
>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.

Looks ok to me.
Reviewed-by: Uma Shankar <uma.shankar at intel.com>

>Cc: Ville Syrjälä <ville.syrjala at linux.intel.com>
>Cc: Maarten Lankhorst <maarten.lankhorst at linux.intel.com>
>Cc: Uma Shankar <uma.shankar at intel.com>
>
>Signed-off-by: Shashank Sharma <shashank.sharma at intel.com>
>---
> drivers/gpu/drm/i915/intel_device_info.h | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
>diff --git a/drivers/gpu/drm/i915/intel_device_info.h
>b/drivers/gpu/drm/i915/intel_device_info.h
>index 5a2e17d6146b..67677c356716 100644
>--- a/drivers/gpu/drm/i915/intel_device_info.h
>+++ b/drivers/gpu/drm/i915/intel_device_info.h
>@@ -179,8 +179,8 @@ 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;
>--
>2.17.1