I915 color manager registers pipe degamma correction as palette correction before CTM, DRM property.
This patch adds the no of coefficients(65) for degamma correction as "num_samples_before_ctm" parameter in device info structures, for BDW and higher platforms.
Signed-off-by: Shashank Sharma shashank.sharma@intel.com --- drivers/gpu/drm/i915/i915_drv.c | 7 +++++++ drivers/gpu/drm/i915/intel_color_manager.h | 2 ++ 2 files changed, 9 insertions(+)
diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c index 69afed3..23ad2cc 100644 --- a/drivers/gpu/drm/i915/i915_drv.c +++ b/drivers/gpu/drm/i915/i915_drv.c @@ -303,6 +303,7 @@ static const struct intel_device_info intel_broadwell_d_info = { .need_gfx_hws = 1, .has_hotplug = 1, .ring_mask = RENDER_RING | BSD_RING | BLT_RING | VEBOX_RING, .num_samples_after_ctm = BDW_SPLITGAMMA_MAX_VALS, + .num_samples_before_ctm = BDW_DEGAMMA_MAX_VALS, .has_llc = 1, .has_ddi = 1, .has_fpga_dbg = 1, @@ -316,6 +317,7 @@ static const struct intel_device_info intel_broadwell_m_info = { .need_gfx_hws = 1, .has_hotplug = 1, .ring_mask = RENDER_RING | BSD_RING | BLT_RING | VEBOX_RING, .num_samples_after_ctm = BDW_SPLITGAMMA_MAX_VALS, + .num_samples_before_ctm = BDW_DEGAMMA_MAX_VALS, .has_llc = 1, .has_ddi = 1, .has_fpga_dbg = 1, @@ -329,6 +331,7 @@ static const struct intel_device_info intel_broadwell_gt3d_info = { .need_gfx_hws = 1, .has_hotplug = 1, .ring_mask = RENDER_RING | BSD_RING | BLT_RING | VEBOX_RING | BSD2_RING, .num_samples_after_ctm = BDW_SPLITGAMMA_MAX_VALS, + .num_samples_before_ctm = BDW_DEGAMMA_MAX_VALS, .has_llc = 1, .has_ddi = 1, .has_fpga_dbg = 1, @@ -342,6 +345,7 @@ static const struct intel_device_info intel_broadwell_gt3m_info = { .need_gfx_hws = 1, .has_hotplug = 1, .ring_mask = RENDER_RING | BSD_RING | BLT_RING | VEBOX_RING | BSD2_RING, .num_samples_after_ctm = BDW_SPLITGAMMA_MAX_VALS, + .num_samples_before_ctm = BDW_DEGAMMA_MAX_VALS, .has_llc = 1, .has_ddi = 1, .has_fpga_dbg = 1, @@ -368,6 +372,7 @@ static const struct intel_device_info intel_skylake_info = { .need_gfx_hws = 1, .has_hotplug = 1, .ring_mask = RENDER_RING | BSD_RING | BLT_RING | VEBOX_RING, .num_samples_after_ctm = BDW_SPLITGAMMA_MAX_VALS, + .num_samples_before_ctm = BDW_DEGAMMA_MAX_VALS, .has_llc = 1, .has_ddi = 1, .has_fpga_dbg = 1, @@ -382,6 +387,7 @@ static const struct intel_device_info intel_skylake_gt3_info = { .need_gfx_hws = 1, .has_hotplug = 1, .ring_mask = RENDER_RING | BSD_RING | BLT_RING | VEBOX_RING | BSD2_RING, .num_samples_after_ctm = BDW_SPLITGAMMA_MAX_VALS, + .num_samples_before_ctm = BDW_DEGAMMA_MAX_VALS, .has_llc = 1, .has_ddi = 1, .has_fpga_dbg = 1, @@ -396,6 +402,7 @@ static const struct intel_device_info intel_broxton_info = { .need_gfx_hws = 1, .has_hotplug = 1, .ring_mask = RENDER_RING | BSD_RING | BLT_RING | VEBOX_RING, .num_samples_after_ctm = BDW_SPLITGAMMA_MAX_VALS, + .num_samples_before_ctm = BDW_DEGAMMA_MAX_VALS, .num_pipes = 3, .has_ddi = 1, .has_fpga_dbg = 1, diff --git a/drivers/gpu/drm/i915/intel_color_manager.h b/drivers/gpu/drm/i915/intel_color_manager.h index 17fcf3d..a428825 100644 --- a/drivers/gpu/drm/i915/intel_color_manager.h +++ b/drivers/gpu/drm/i915/intel_color_manager.h @@ -72,6 +72,8 @@ #define CHV_DEGAMMA_MSB_SHIFT 2 #define CHV_DEGAMMA_GREEN_SHIFT 16
+#define BDW_DEGAMMA_MAX_VALS 512 + /* CSC correction */ #define CSC_DATA_STRUCT_VERSION 1 /*