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drm/i915/dp: Make dsc helpers accept const crtc_state pointers

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Modify the dsc helpers to get max/min compressed bpp to accept
`const struct intel_crtc_state *` pointers instead of
`struct intel_crtc_state *`.

These helpers are not supposed to modify `crtc_state`.
Accepting const pointers will allow these helpers to be called from
functions that have const pointer to crtc_state.

Signed-off-by: Ankit Nautiyal <ankit.k.nautiyal@intel.com>
Reviewed-by: Suraj Kandpal <suraj.kandpal@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20241217093244.3938132-13-ankit.k.nautiyal@intel.com
This commit is contained in:
Ankit Nautiyal 2024-12-17 15:02:42 +05:30
parent 160672b86b
commit 57b763dd23
2 changed files with 5 additions and 5 deletions
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6
drivers/gpu/drm/i915/display/intel_dp.c
View File

@ -1975,7 +1975,7 @@ static int dsc_compute_link_config(struct intel_dp *intel_dp,
static
u16 intel_dp_dsc_max_sink_compressed_bppx16(const struct intel_connector *connector,
struct intel_crtc_state *pipe_config,
const struct intel_crtc_state *pipe_config,
int bpc)
{
u16 max_bppx16 = drm_edp_dsc_sink_output_bpp(connector->dp.dsc_dpcd);
@ -2000,7 +2000,7 @@ u16 intel_dp_dsc_max_sink_compressed_bppx16(const struct intel_connector *connec
return 0;
}
int intel_dp_dsc_sink_min_compressed_bpp(struct intel_crtc_state *pipe_config)
int intel_dp_dsc_sink_min_compressed_bpp(const struct intel_crtc_state *pipe_config)
{
/* From Mandatory bit rate range Support Table 2-157 (DP v2.0) */
switch (pipe_config->output_format) {
@ -2018,7 +2018,7 @@ int intel_dp_dsc_sink_min_compressed_bpp(struct intel_crtc_state *pipe_config)
}
int intel_dp_dsc_sink_max_compressed_bpp(const struct intel_connector *connector,
struct intel_crtc_state *pipe_config,
const struct intel_crtc_state *pipe_config,
int bpc)
{
return intel_dp_dsc_max_sink_compressed_bppx16(connector,

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

@ -144,9 +144,9 @@ u16 intel_dp_dsc_get_max_compressed_bpp(struct intel_display *display,
enum intel_output_format output_format,
u32 pipe_bpp,
u32 timeslots);
int intel_dp_dsc_sink_min_compressed_bpp(struct intel_crtc_state *pipe_config);
int intel_dp_dsc_sink_min_compressed_bpp(const struct intel_crtc_state *pipe_config);
int intel_dp_dsc_sink_max_compressed_bpp(const struct intel_connector *connector,
struct intel_crtc_state *pipe_config,
const struct intel_crtc_state *pipe_config,
int bpc);
u8 intel_dp_dsc_get_slice_count(const struct intel_connector *connector,
int mode_clock, int mode_hdisplay,