On Tue, 2025-02-18 at 23:19 +0200, Ville Syrjala wrote:
> From: Ville Syrjälä <ville.syrj...@linux.intel.com>
>
> Hoist the cdclk stuff into a separate function from
> intel_modeset_readout_hw_state() so that the details
> are better hidden inside intel_cdclk.c.
>
> Signed-off-by: Ville Syrjälä <ville.syrj...@linux.intel.com>
> ---
> drivers/gpu/drm/i915/display/intel_cdclk.c | 29 ++++++++++++++++++-
> drivers/gpu/drm/i915/display/intel_cdclk.h | 2 +-
> .../drm/i915/display/intel_modeset_setup.c | 16 ++--------
> 3 files changed, 31 insertions(+), 16 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/display/intel_cdclk.c
> b/drivers/gpu/drm/i915/display/intel_cdclk.c
> index 4b7058e65588..947833a96ab7 100644
> --- a/drivers/gpu/drm/i915/display/intel_cdclk.c
> +++ b/drivers/gpu/drm/i915/display/intel_cdclk.c
> @@ -2788,7 +2788,7 @@ static int intel_planes_min_cdclk(const struct
> intel_crtc_state *crtc_state)
> return min_cdclk;
> }
>
> -int intel_crtc_compute_min_cdclk(const struct intel_crtc_state *crtc_state)
> +static int intel_crtc_compute_min_cdclk(const struct intel_crtc_state
> *crtc_state)
> {
> int min_cdclk;
>
> @@ -3340,6 +3340,33 @@ int intel_modeset_calc_cdclk(struct intel_atomic_state
> *state)
> return 0;
> }
>
> +void intel_cdclk_update_hw_state(struct intel_display *display)
> +{
> + struct intel_cdclk_state *cdclk_state =
> + to_intel_cdclk_state(display->cdclk.obj.state);
> + struct intel_crtc *crtc;
> +
> + cdclk_state->active_pipes = 0;
As active_pipes are already calculated in intel_modeset_readout_hw_state,
wonder will it be useful
if we pass active_pipes as a parameter to this function and use it above? Same
applies to bwstate-
>active_pipes as well in couple of patches later.
Anyway,
Reviewed-by: Vinod Govindapillai <vinod.govindapil...@intel.com>
> +
> + for_each_intel_crtc(display->drm, crtc) {
> + const struct intel_crtc_state *crtc_state =
> + to_intel_crtc_state(crtc->base.state);
> + enum pipe pipe = crtc->pipe;
> + int min_cdclk = 0;
> +
> + if (crtc_state->hw.active) {
> + cdclk_state->active_pipes |= BIT(pipe);
> +
> + min_cdclk = intel_crtc_compute_min_cdclk(crtc_state);
> + if (drm_WARN_ON(display->drm, min_cdclk < 0))
> + min_cdclk = 0;
> + }
> +
> + cdclk_state->min_cdclk[pipe] = min_cdclk;
> + cdclk_state->min_voltage_level[pipe] =
> crtc_state->min_voltage_level;
> + }
> +}
> +
> void intel_cdclk_crtc_disable_noatomic(struct intel_crtc *crtc)
> {
> struct intel_display *display = to_intel_display(crtc);
> diff --git a/drivers/gpu/drm/i915/display/intel_cdclk.h
> b/drivers/gpu/drm/i915/display/intel_cdclk.h
> index 689e12e2196b..a1cefd455d92 100644
> --- a/drivers/gpu/drm/i915/display/intel_cdclk.h
> +++ b/drivers/gpu/drm/i915/display/intel_cdclk.h
> @@ -59,7 +59,6 @@ struct intel_cdclk_state {
> bool disable_pipes;
> };
>
> -int intel_crtc_compute_min_cdclk(const struct intel_crtc_state *crtc_state);
> void intel_cdclk_init_hw(struct intel_display *display);
> void intel_cdclk_uninit_hw(struct intel_display *display);
> void intel_init_cdclk_hooks(struct intel_display *display);
> @@ -84,6 +83,7 @@ int intel_cdclk_atomic_check(struct intel_atomic_state
> *state,
> int intel_cdclk_state_set_joined_mbus(struct intel_atomic_state *state, bool
> joined_mbus);
> struct intel_cdclk_state *
> intel_atomic_get_cdclk_state(struct intel_atomic_state *state);
> +void intel_cdclk_update_hw_state(struct intel_display *display);
> void intel_cdclk_crtc_disable_noatomic(struct intel_crtc *crtc);
>
> #define to_intel_cdclk_state(global_state) \
> diff --git a/drivers/gpu/drm/i915/display/intel_modeset_setup.c
> b/drivers/gpu/drm/i915/display/intel_modeset_setup.c
> index e9b0533526f6..1cfa03bd3224 100644
> --- a/drivers/gpu/drm/i915/display/intel_modeset_setup.c
> +++ b/drivers/gpu/drm/i915/display/intel_modeset_setup.c
> @@ -693,8 +693,6 @@ static void readout_plane_state(struct drm_i915_private
> *i915)
> static void intel_modeset_readout_hw_state(struct drm_i915_private *i915)
> {
> struct intel_display *display = &i915->display;
> - struct intel_cdclk_state *cdclk_state =
> - to_intel_cdclk_state(i915->display.cdclk.obj.state);
> struct intel_dbuf_state *dbuf_state =
> to_intel_dbuf_state(i915->display.dbuf.obj.state);
> struct intel_pmdemand_state *pmdemand_state =
> @@ -730,7 +728,6 @@ static void intel_modeset_readout_hw_state(struct
> drm_i915_private *i915)
> str_enabled_disabled(crtc_state->hw.active));
> }
>
> - cdclk_state->active_pipes = active_pipes;
> dbuf_state->active_pipes = active_pipes;
>
> readout_plane_state(i915);
> @@ -833,7 +830,6 @@ static void intel_modeset_readout_hw_state(struct
> drm_i915_private *i915)
> struct intel_crtc_state *crtc_state =
> to_intel_crtc_state(crtc->base.state);
> struct intel_plane *plane;
> - int min_cdclk = 0;
>
> if (crtc_state->hw.active) {
> /*
> @@ -882,22 +878,14 @@ static void intel_modeset_readout_hw_state(struct
> drm_i915_private *i915)
> crtc_state->min_cdclk[plane->id]);
> }
>
> - if (crtc_state->hw.active) {
> - min_cdclk = intel_crtc_compute_min_cdclk(crtc_state);
> - if (drm_WARN_ON(&i915->drm, min_cdclk < 0))
> - min_cdclk = 0;
> - }
> -
> - cdclk_state->min_cdclk[crtc->pipe] = min_cdclk;
> - cdclk_state->min_voltage_level[crtc->pipe] =
> - crtc_state->min_voltage_level;
> -
> intel_pmdemand_update_port_clock(display, pmdemand_state, pipe,
> crtc_state->port_clock);
>
> intel_bw_crtc_update(bw_state, crtc_state);
> }
>
> + intel_cdclk_update_hw_state(display);
> +
> intel_pmdemand_init_pmdemand_params(display, pmdemand_state);
> }
>
