DRM color manager allows the driver to showcase its best color correction capabilities using the specific query property cm_coeff_before_ctm_property. The driver must loads the no. of coefficients for color correction as per the platform capability during the init time.
This patch adds no of coefficitents for degamma color correction modes possible in CHV, in device info structure, which is: CGM Degamma(10 bit, CGM HW unit): 65 coeff
These values will be loaded in cm_crtc_palette_capabilities_property during the CRTC init section, by color manager's attach function.
Signed-off-by: Shashank Sharma shashank.sharma@intel.com Signed-off-by: Kausal Malladi kausalmalladi@l.com --- drivers/gpu/drm/i915/i915_drv.c | 1 + drivers/gpu/drm/i915/intel_color_manager.h | 1 + 2 files changed, 2 insertions(+)
diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c index 7466dba..5a25a35 100644 --- a/drivers/gpu/drm/i915/i915_drv.c +++ b/drivers/gpu/drm/i915/i915_drv.c @@ -351,6 +351,7 @@ static const struct intel_device_info intel_cherryview_info = { .need_gfx_hws = 1, .has_hotplug = 1, .ring_mask = RENDER_RING | BSD_RING | BLT_RING | VEBOX_RING, .num_samples_after_ctm = CHV_10BIT_GAMMA_MAX_VALS, + .num_samples_before_ctm = CHV_DEGAMMA_MAX_VALS, .is_valleyview = 1, .display_mmio_offset = VLV_DISPLAY_BASE, GEN_CHV_PIPEOFFSETS, diff --git a/drivers/gpu/drm/i915/intel_color_manager.h b/drivers/gpu/drm/i915/intel_color_manager.h index a378fe1..14a1309 100644 --- a/drivers/gpu/drm/i915/intel_color_manager.h +++ b/drivers/gpu/drm/i915/intel_color_manager.h @@ -51,3 +51,4 @@
/* CHV */ #define CHV_10BIT_GAMMA_MAX_VALS 257 +#define CHV_DEGAMMA_MAX_VALS 65