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drm/i915/bw: abstract intel_bw_pmdemand_needs_update()

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Add intel_bw_pmdemand_needs_update() helper to avoid looking at struct
intel_bw_state internals outside of intel_bw.c.

Reviewed-by: Imre Deak <imre.deak@intel.com>
Link: https://lore.kernel.org/r/163fda39da2e1cf0f0c4fcb9c71103c98863179e.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 13:32:22 +03:00
parent d1b8a4dc09
commit e17643d075
3 changed files with 17 additions and 5 deletions
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14
drivers/gpu/drm/i915/display/intel_bw.c
View File

@ -1651,3 +1651,17 @@ int intel_bw_init(struct intel_display *display)
return 0;
}
bool intel_bw_pmdemand_needs_update(struct intel_atomic_state *state)
{
const struct intel_bw_state *new_bw_state, *old_bw_state;
new_bw_state = intel_atomic_get_new_bw_state(state);
old_bw_state = intel_atomic_get_old_bw_state(state);
if (new_bw_state &&
new_bw_state->qgv_point_peakbw != old_bw_state->qgv_point_peakbw)
return true;
return false;
}

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

@ -76,4 +76,6 @@ int intel_bw_min_cdclk(struct intel_display *display,
void intel_bw_update_hw_state(struct intel_display *display);
void intel_bw_crtc_disable_noatomic(struct intel_crtc *crtc);
bool intel_bw_pmdemand_needs_update(struct intel_atomic_state *state);
#endif /* __INTEL_BW_H__ */

6
drivers/gpu/drm/i915/display/intel_pmdemand.c
View File

@ -294,16 +294,12 @@ intel_pmdemand_connector_needs_update(struct intel_atomic_state *state)
static bool intel_pmdemand_needs_update(struct intel_atomic_state *state)
{
const struct intel_bw_state *new_bw_state, *old_bw_state;
const struct intel_cdclk_state *new_cdclk_state, *old_cdclk_state;
const struct intel_crtc_state *new_crtc_state, *old_crtc_state;
struct intel_crtc *crtc;
int i;
new_bw_state = intel_atomic_get_new_bw_state(state);
old_bw_state = intel_atomic_get_old_bw_state(state);
if (new_bw_state && new_bw_state->qgv_point_peakbw !=
old_bw_state->qgv_point_peakbw)
if (intel_bw_pmdemand_needs_update(state))
return true;
if (intel_dbuf_pmdemand_needs_update(state))