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drm/i915/color: move check of gamma_enable to specific func/platform

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Moved common code to check gamma_enable to specific funcs per platform
in bit_precision func. icl doesn't support that and chv has separate
enable knob for CGM LUT.

v2:
-Simplified chv_gamma_precision() [Ville]

Signed-off-by: Swati Sharma <swati2.sharma@intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20191009065542.27415-3-swati2.sharma@intel.com
This commit is contained in:
Swati Sharma 2019-10-09 12:25:40 +05:30 committed by Ville Syrjälä
parent 9b000b47cc
commit d50341274d
1 changed files with 9 additions and 3 deletions
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12
drivers/gpu/drm/i915/display/intel_color.c
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@ -1420,6 +1420,9 @@ static int icl_color_check(struct intel_crtc_state *crtc_state)
static int i9xx_gamma_precision(const struct intel_crtc_state *crtc_state)
{
if (!crtc_state->gamma_enable)
return 0;
switch (crtc_state->gamma_mode) {
case GAMMA_MODE_MODE_8BIT:
return 8;
@ -1433,6 +1436,9 @@ static int i9xx_gamma_precision(const struct intel_crtc_state *crtc_state)
static int ilk_gamma_precision(const struct intel_crtc_state *crtc_state)
{
if (!crtc_state->gamma_enable)
return 0;
if ((crtc_state->csc_mode & CSC_POSITION_BEFORE_GAMMA) == 0)
return 0;
@ -1457,6 +1463,9 @@ static int chv_gamma_precision(const struct intel_crtc_state *crtc_state)
static int glk_gamma_precision(const struct intel_crtc_state *crtc_state)
{
if (!crtc_state->gamma_enable)
return 0;
switch (crtc_state->gamma_mode) {
case GAMMA_MODE_MODE_8BIT:
return 8;
@ -1473,9 +1482,6 @@ int intel_color_get_gamma_bit_precision(const struct intel_crtc_state *crtc_stat
struct intel_crtc *crtc = to_intel_crtc(crtc_state->base.crtc);
struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
if (!crtc_state->gamma_enable)
return 0;
if (HAS_GMCH(dev_priv)) {
if (IS_CHERRYVIEW(dev_priv))
return chv_gamma_precision(crtc_state);