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drm/i915/casf: Constify crtc_state

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Make the crtc_state const everywhere in the sharpness filter
code where it doesn't need to be mutated.

Reviewed-by: Michał Grzelak <michal.grzelak@intel.com>
Reviewed-by: Nemesa Garg <nemesa.garg@intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patch.msgid.link/20260407175244.19654-7-ville.syrjala@linux.intel.com
This commit is contained in:
Ville Syrjälä 2026-04-07 20:52:40 +03:00
parent 7583232af1
commit 114a836384
4 changed files with 11 additions and 11 deletions
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8
drivers/gpu/drm/i915/display/intel_casf.c
View File

@ -75,7 +75,7 @@ static void intel_casf_filter_lut_load(struct intel_crtc *crtc,
sharpness_lut[i]);
}
void intel_casf_update_strength(struct intel_crtc_state *crtc_state)
void intel_casf_update_strength(const struct intel_crtc_state *crtc_state)
{
struct intel_display *display = to_intel_display(crtc_state);
struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc);
@ -174,7 +174,7 @@ static int casf_coeff_tap(int i)
return i % SCALER_FILTER_NUM_TAPS;
}
static u32 casf_coeff(struct intel_crtc_state *crtc_state, int t)
static u32 casf_coeff(const struct intel_crtc_state *crtc_state, int t)
{
struct scaler_filter_coeff value;
u32 coeff;
@ -192,7 +192,7 @@ static u32 casf_coeff(struct intel_crtc_state *crtc_state, int t)
* that are calculated and stored in pch_pfit.casf.coeff as per
* SCALER_COEFFICIENT_FORMAT
*/
static void intel_casf_write_coeff(struct intel_crtc_state *crtc_state)
static void intel_casf_write_coeff(const struct intel_crtc_state *crtc_state)
{
struct intel_display *display = to_intel_display(crtc_state);
struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc);
@ -264,7 +264,7 @@ void intel_casf_scaler_compute_config(struct intel_crtc_state *crtc_state)
}
}
void intel_casf_enable(struct intel_crtc_state *crtc_state)
void intel_casf_enable(const struct intel_crtc_state *crtc_state)
{
struct intel_display *display = to_intel_display(crtc_state);
struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc);

4
drivers/gpu/drm/i915/display/intel_casf.h
View File

@ -11,9 +11,9 @@
struct intel_crtc_state;
int intel_casf_compute_config(struct intel_crtc_state *crtc_state);
void intel_casf_update_strength(struct intel_crtc_state *new_crtc_state);
void intel_casf_update_strength(const struct intel_crtc_state *new_crtc_state);
void intel_casf_sharpness_get_config(struct intel_crtc_state *crtc_state);
void intel_casf_enable(struct intel_crtc_state *crtc_state);
void intel_casf_enable(const struct intel_crtc_state *crtc_state);
void intel_casf_disable(const struct intel_crtc_state *crtc_state);
void intel_casf_scaler_compute_config(struct intel_crtc_state *crtc_state);
bool intel_casf_needs_scaler(const struct intel_crtc_state *crtc_state);

8
drivers/gpu/drm/i915/display/skl_scaler.c
View File

@ -757,13 +757,13 @@ static void skl_scaler_setup_filter(struct intel_display *display,
}
}
void skl_scaler_setup_casf(struct intel_crtc_state *crtc_state)
void skl_scaler_setup_casf(const struct intel_crtc_state *crtc_state)
{
struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc);
struct intel_display *display = to_intel_display(crtc);
struct drm_display_mode *adjusted_mode =
&crtc_state->hw.adjusted_mode;
struct intel_crtc_scaler_state *scaler_state =
const struct drm_display_mode *adjusted_mode =
&crtc_state->hw.adjusted_mode;
const struct intel_crtc_scaler_state *scaler_state =
&crtc_state->scaler_state;
struct drm_rect src, dest;
int id, width, height;

2
drivers/gpu/drm/i915/display/skl_scaler.h
View File

@ -36,7 +36,7 @@ void skl_scaler_disable(const struct intel_crtc_state *old_crtc_state);
void skl_scaler_get_config(struct intel_crtc_state *crtc_state);
void skl_scaler_setup_casf(struct intel_crtc_state *crtc_state);
void skl_scaler_setup_casf(const struct intel_crtc_state *crtc_state);
enum drm_mode_status
skl_scaler_mode_valid(struct intel_display *display,