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drm/i915/cdclk: abstract intel_cdclk_read_hw()

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Add intel_cdclk_read_hw() function to avoid looking at struct
intel_cdclk_state internals outside of intel_cdclk.c.

intel_cdclk_init_hw() would be a better name, but we already have that.

Reviewed-by: Imre Deak <imre.deak@intel.com>
Link: https://lore.kernel.org/r/ef720d37bfeee933d59b64e382dc976f3c9fade1.1750847509.git.jani.nikula@intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
This commit is contained in:
Jani Nikula 2025-06-25 13:32:32 +03:00
parent 082fe699af
commit f0bb81b275
3 changed files with 14 additions and 7 deletions
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12
drivers/gpu/drm/i915/display/intel_cdclk.c
View File

@ -3869,3 +3869,15 @@ void intel_cdclk_force_min_cdclk(struct intel_cdclk_state *cdclk_state, int forc
{
cdclk_state->force_min_cdclk = force_min_cdclk;
}
void intel_cdclk_read_hw(struct intel_display *display)
{
struct intel_cdclk_state *cdclk_state;
cdclk_state = to_intel_cdclk_state(display->cdclk.obj.state);
intel_update_cdclk(display);
intel_cdclk_dump_config(display, &display->cdclk.hw, "Current CDCLK");
cdclk_state->actual = display->cdclk.hw;
cdclk_state->logical = display->cdclk.hw;
}

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

@ -102,5 +102,6 @@ int intel_cdclk_min_cdclk(const struct intel_cdclk_state *cdclk_state, enum pipe
int intel_cdclk_bw_min_cdclk(const struct intel_cdclk_state *cdclk_state);
bool intel_cdclk_pmdemand_needs_update(struct intel_atomic_state *state);
void intel_cdclk_force_min_cdclk(struct intel_cdclk_state *cdclk_state, int force_min_cdclk);
void intel_cdclk_read_hw(struct intel_display *display);
#endif /* __INTEL_CDCLK_H__ */

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

@ -84,16 +84,10 @@ bool intel_display_driver_probe_defer(struct pci_dev *pdev)
void intel_display_driver_init_hw(struct intel_display *display)
{
struct intel_cdclk_state *cdclk_state;
if (!HAS_DISPLAY(display))
return;
cdclk_state = to_intel_cdclk_state(display->cdclk.obj.state);
intel_update_cdclk(display);
intel_cdclk_dump_config(display, &display->cdclk.hw, "Current CDCLK");
cdclk_state->logical = cdclk_state->actual = display->cdclk.hw;
intel_cdclk_read_hw(display);
intel_display_wa_apply(display);
}