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drm/i915/bw: abstract intel_bw_qgv_point_peakbw()

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Add intel_bw_qgv_point_peakbw() 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/49a723e0f23e06a6045f8f9e0d06648a6bc899c7.1750847509.git.jani.nikula@intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
This commit is contained in:
Jani Nikula
2025-06-25 13:32:25 +03:00
parent 999058152a
commit 2e5822368c
3 changed files with 7 additions and 1 deletions
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5
drivers/gpu/drm/i915/display/intel_bw.c
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@@ -1739,3 +1739,8 @@ bool intel_bw_can_enable_sagv(struct intel_display *display,
return bw_state->pipe_sagv_reject == 0;
}
int intel_bw_qgv_point_peakbw(const struct intel_bw_state *bw_state)
{
return bw_state->qgv_point_peakbw;
}

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

@@ -79,5 +79,6 @@ bool intel_bw_can_enable_sagv(struct intel_display *display,
const struct intel_bw_state *bw_state);
void icl_sagv_pre_plane_update(struct intel_atomic_state *state);
void icl_sagv_post_plane_update(struct intel_atomic_state *state);
int intel_bw_qgv_point_peakbw(const struct intel_bw_state *bw_state);
#endif /* __INTEL_BW_H__ */

2
drivers/gpu/drm/i915/display/intel_pmdemand.c
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@@ -346,7 +346,7 @@ int intel_pmdemand_atomic_check(struct intel_atomic_state *state)
/* firmware will calculate the qclk_gv_index, requirement is set to 0 */
new_pmdemand_state->params.qclk_gv_index = 0;
new_pmdemand_state->params.qclk_gv_bw = new_bw_state->qgv_point_peakbw;
new_pmdemand_state->params.qclk_gv_bw = intel_bw_qgv_point_peakbw(new_bw_state);
new_dbuf_state = intel_atomic_get_dbuf_state(state);
if (IS_ERR(new_dbuf_state))