mirrors/linux
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git synced 2026-05-03 13:32:07 -04:00
Code Issues Packages Projects Releases Wiki Activity

drm/i915: Split chv_load_cgm_csc() into pieces

Browse Source 
Split chv_cgm_csc_convert_ctm() out from chv_load_cgm_csc() so
that we have functions with clear jobs. This is also how the ilk+
code is already structured.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230329135002.3096-4-ville.syrjala@linux.intel.com
Reviewed-by: Ankit Nautiyal <ankit.k.nautiyal@intel.com>
This commit is contained in:
Ville Syrjälä
2023-03-29 16:49:53 +03:00
parent 57b5482bff
commit ec28004209
1 changed files with 13 additions and 6 deletions
Download Patch File Download Diff File Expand all files Collapse all files

19
drivers/gpu/drm/i915/display/intel_color.c
View File

@@ -399,16 +399,13 @@ static void icl_load_csc_matrix(const struct intel_crtc_state *crtc_state)
}
}
static void chv_load_cgm_csc(struct intel_crtc *crtc,
const struct drm_property_blob *blob)
static void chv_cgm_csc_convert_ctm(u16 coeffs[9],
const struct drm_property_blob *blob)
{
struct drm_i915_private *i915 = to_i915(crtc->base.dev);
const struct drm_color_ctm *ctm = blob->data;
enum pipe pipe = crtc->pipe;
u16 coeffs[9];
int i;
for (i = 0; i < ARRAY_SIZE(coeffs); i++) {
for (i = 0; i < 9; i++) {
u64 abs_coeff = ((1ULL << 63) - 1) & ctm->matrix[i];
/* Round coefficient. */
@@ -425,6 +422,16 @@ static void chv_load_cgm_csc(struct intel_crtc *crtc,
coeffs[i] |= ((abs_coeff >> 32) & 7) << 12;
coeffs[i] |= (abs_coeff >> 20) & 0xfff;
}
}
static void chv_load_cgm_csc(struct intel_crtc *crtc,
const struct drm_property_blob *blob)
{
struct drm_i915_private *i915 = to_i915(crtc->base.dev);
enum pipe pipe = crtc->pipe;
u16 coeffs[9];
chv_cgm_csc_convert_ctm(coeffs, blob);
intel_de_write_fw(i915, CGM_PIPE_CSC_COEFF01(pipe),
coeffs[1] << 16 | coeffs[0]);