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drm/i915/cdclk: abstract intel_cdclk_bw_min_cdclk()

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Add intel_cdclk_bw_min_cdclk() helper to avoid looking at struct
intel_cdclk_state internals outside of intel_cdclk.c.

Reviewed-by: Imre Deak <imre.deak@intel.com>
Link: https://lore.kernel.org/r/d07499174ebe55fa8fb98d4cb5ff541b6f5ec95b.1750847509.git.jani.nikula@intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
This commit is contained in:
Jani Nikula 2025-06-25 13:32:29 +03:00
parent d93ea1d8f1
commit 3fda3bf0a6
3 changed files with 8 additions and 2 deletions
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4
drivers/gpu/drm/i915/display/intel_bw.c
View File

@ -1468,12 +1468,12 @@ int intel_bw_calc_min_cdclk(struct intel_atomic_state *state,
* requirements. This can reduce back and forth
* display blinking due to constant cdclk changes.
*/
if (new_min_cdclk <= cdclk_state->bw_min_cdclk)
if (new_min_cdclk <= intel_cdclk_bw_min_cdclk(cdclk_state))
return 0;
drm_dbg_kms(display->drm,
"new bandwidth min cdclk (%d kHz) > old min cdclk (%d kHz)\n",
new_min_cdclk, cdclk_state->bw_min_cdclk);
new_min_cdclk, intel_cdclk_bw_min_cdclk(cdclk_state));
*need_cdclk_calc = true;
return 0;

5
drivers/gpu/drm/i915/display/intel_cdclk.c
View File

@ -3844,3 +3844,8 @@ int intel_cdclk_min_cdclk(const struct intel_cdclk_state *cdclk_state, enum pipe
{
return cdclk_state->min_cdclk[pipe];
}
int intel_cdclk_bw_min_cdclk(const struct intel_cdclk_state *cdclk_state)
{
return cdclk_state->bw_min_cdclk;
}

1
drivers/gpu/drm/i915/display/intel_cdclk.h
View File

@ -99,5 +99,6 @@ void intel_cdclk_debugfs_register(struct intel_display *display);
int intel_cdclk_logical(const struct intel_cdclk_state *cdclk_state);
int intel_cdclk_min_cdclk(const struct intel_cdclk_state *cdclk_state, enum pipe pipe);
int intel_cdclk_bw_min_cdclk(const struct intel_cdclk_state *cdclk_state);
#endif /* __INTEL_CDCLK_H__ */