From: Ville Syrjälä <ville.syrj...@linux.intel.com> To further reduce the confusion between the pre-icl vs. icl+ SAGV codepaths let's do a full split.
Reviewed-by: Stanislav Lisovskiy <stanislav.lisovs...@intel.com> Signed-off-by: Ville Syrjälä <ville.syrj...@linux.intel.com> --- drivers/gpu/drm/i915/intel_pm.c | 120 ++++++++++++++++++++------------ 1 file changed, 77 insertions(+), 43 deletions(-) diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index d0fcc4586983..bf8cf71f5b07 100644 --- a/drivers/gpu/drm/i915/intel_pm.c +++ b/drivers/gpu/drm/i915/intel_pm.c @@ -3782,34 +3782,44 @@ intel_disable_sagv(struct drm_i915_private *dev_priv) return 0; } -void intel_sagv_pre_plane_update(struct intel_atomic_state *state) +static void skl_sagv_pre_plane_update(struct intel_atomic_state *state) +{ + struct drm_i915_private *i915 = to_i915(state->base.dev); + const struct intel_bw_state *new_bw_state = + intel_atomic_get_new_bw_state(state); + + if (!new_bw_state) + return; + + if (!intel_can_enable_sagv(i915, new_bw_state)) + intel_disable_sagv(i915); +} + +static void skl_sagv_post_plane_update(struct intel_atomic_state *state) +{ + struct drm_i915_private *i915 = to_i915(state->base.dev); + const struct intel_bw_state *new_bw_state = + intel_atomic_get_new_bw_state(state); + + if (!new_bw_state) + return; + + if (intel_can_enable_sagv(i915, new_bw_state)) + intel_enable_sagv(i915); +} + +static void icl_sagv_pre_plane_update(struct intel_atomic_state *state) { struct drm_i915_private *dev_priv = to_i915(state->base.dev); - const struct intel_bw_state *new_bw_state; - const struct intel_bw_state *old_bw_state; - u32 new_mask = 0; + const struct intel_bw_state *old_bw_state = + intel_atomic_get_old_bw_state(state); + const struct intel_bw_state *new_bw_state = + intel_atomic_get_new_bw_state(state); + u32 new_mask; - /* - * Just return if we can't control SAGV or don't have it. - * This is different from situation when we have SAGV but just can't - * afford it due to DBuf limitation - in case if SAGV is completely - * disabled in a BIOS, we are not even allowed to send a PCode request, - * as it will throw an error. So have to check it here. - */ - if (!intel_has_sagv(dev_priv)) - return; - - new_bw_state = intel_atomic_get_new_bw_state(state); if (!new_bw_state) return; - if (DISPLAY_VER(dev_priv) < 11) { - if (!intel_can_enable_sagv(dev_priv, new_bw_state)) - intel_disable_sagv(dev_priv); - return; - } - - old_bw_state = intel_atomic_get_old_bw_state(state); /* * Nothing to mask */ @@ -3834,34 +3844,18 @@ void intel_sagv_pre_plane_update(struct intel_atomic_state *state) icl_pcode_restrict_qgv_points(dev_priv, new_mask); } -void intel_sagv_post_plane_update(struct intel_atomic_state *state) +static void icl_sagv_post_plane_update(struct intel_atomic_state *state) { struct drm_i915_private *dev_priv = to_i915(state->base.dev); - const struct intel_bw_state *new_bw_state; - const struct intel_bw_state *old_bw_state; + const struct intel_bw_state *old_bw_state = + intel_atomic_get_old_bw_state(state); + const struct intel_bw_state *new_bw_state = + intel_atomic_get_new_bw_state(state); u32 new_mask = 0; - /* - * Just return if we can't control SAGV or don't have it. - * This is different from situation when we have SAGV but just can't - * afford it due to DBuf limitation - in case if SAGV is completely - * disabled in a BIOS, we are not even allowed to send a PCode request, - * as it will throw an error. So have to check it here. - */ - if (!intel_has_sagv(dev_priv)) - return; - - new_bw_state = intel_atomic_get_new_bw_state(state); if (!new_bw_state) return; - if (DISPLAY_VER(dev_priv) < 11) { - if (intel_can_enable_sagv(dev_priv, new_bw_state)) - intel_enable_sagv(dev_priv); - return; - } - - old_bw_state = intel_atomic_get_old_bw_state(state); /* * Nothing to unmask */ @@ -3879,6 +3873,46 @@ void intel_sagv_post_plane_update(struct intel_atomic_state *state) icl_pcode_restrict_qgv_points(dev_priv, new_mask); } +void intel_sagv_pre_plane_update(struct intel_atomic_state *state) +{ + struct drm_i915_private *i915 = to_i915(state->base.dev); + + /* + * Just return if we can't control SAGV or don't have it. + * This is different from situation when we have SAGV but just can't + * afford it due to DBuf limitation - in case if SAGV is completely + * disabled in a BIOS, we are not even allowed to send a PCode request, + * as it will throw an error. So have to check it here. + */ + if (!intel_has_sagv(i915)) + return; + + if (DISPLAY_VER(i915) >= 11) + icl_sagv_pre_plane_update(state); + else + skl_sagv_pre_plane_update(state); +} + +void intel_sagv_post_plane_update(struct intel_atomic_state *state) +{ + struct drm_i915_private *i915 = to_i915(state->base.dev); + + /* + * Just return if we can't control SAGV or don't have it. + * This is different from situation when we have SAGV but just can't + * afford it due to DBuf limitation - in case if SAGV is completely + * disabled in a BIOS, we are not even allowed to send a PCode request, + * as it will throw an error. So have to check it here. + */ + if (!intel_has_sagv(i915)) + return; + + if (DISPLAY_VER(i915) >= 11) + icl_sagv_post_plane_update(state); + else + skl_sagv_post_plane_update(state); +} + static bool skl_crtc_can_enable_sagv(const struct intel_crtc_state *crtc_state) { struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc); -- 2.34.1