diff options
Diffstat (limited to 'drivers/gpu/drm/i915/display/skl_scaler.c')
| -rw-r--r-- | drivers/gpu/drm/i915/display/skl_scaler.c | 25 |
1 files changed, 19 insertions, 6 deletions
diff --git a/drivers/gpu/drm/i915/display/skl_scaler.c b/drivers/gpu/drm/i915/display/skl_scaler.c index dbb810c0474c..9439b1a65fa6 100644 --- a/drivers/gpu/drm/i915/display/skl_scaler.c +++ b/drivers/gpu/drm/i915/display/skl_scaler.c @@ -6,6 +6,7 @@ #include <drm/drm_print.h> #include "i915_utils.h" +#include "intel_casf.h" #include "intel_casf_regs.h" #include "intel_de.h" #include "intel_display_regs.h" @@ -283,7 +284,8 @@ int skl_update_scaler_crtc(struct intel_crtc_state *crtc_state) drm_rect_width(&crtc_state->pipe_src), drm_rect_height(&crtc_state->pipe_src), width, height, NULL, 0, - crtc_state->pch_pfit.enabled); + crtc_state->pch_pfit.enabled || + intel_casf_needs_scaler(crtc_state)); } /** @@ -322,7 +324,9 @@ int skl_update_scaler_plane(struct intel_crtc_state *crtc_state, } static int intel_allocate_scaler(struct intel_crtc_scaler_state *scaler_state, - struct intel_crtc *crtc) + struct intel_crtc *crtc, + struct intel_plane_state *plane_state, + bool casf_scaler) { int i; @@ -330,6 +334,10 @@ static int intel_allocate_scaler(struct intel_crtc_scaler_state *scaler_state, if (scaler_state->scalers[i].in_use) continue; + /* CASF needs second scaler */ + if (!plane_state && casf_scaler && i != 1) + continue; + scaler_state->scalers[i].in_use = true; return i; @@ -380,7 +388,7 @@ static int intel_atomic_setup_scaler(struct intel_crtc_state *crtc_state, int num_scalers_need, struct intel_crtc *crtc, const char *name, int idx, struct intel_plane_state *plane_state, - int *scaler_id) + int *scaler_id, bool casf_scaler) { struct intel_display *display = to_intel_display(crtc); struct intel_crtc_scaler_state *scaler_state = &crtc_state->scaler_state; @@ -389,7 +397,7 @@ static int intel_atomic_setup_scaler(struct intel_crtc_state *crtc_state, int vscale = 0; if (*scaler_id < 0) - *scaler_id = intel_allocate_scaler(scaler_state, crtc); + *scaler_id = intel_allocate_scaler(scaler_state, crtc, plane_state, casf_scaler); if (drm_WARN(display->drm, *scaler_id < 0, "Cannot find scaler for %s:%d\n", name, idx)) @@ -521,10 +529,14 @@ static int setup_crtc_scaler(struct intel_atomic_state *state, struct intel_crtc_scaler_state *scaler_state = &crtc_state->scaler_state; + if (intel_casf_needs_scaler(crtc_state) && crtc_state->pch_pfit.enabled) + return -EINVAL; + return intel_atomic_setup_scaler(crtc_state, hweight32(scaler_state->scaler_users), crtc, "CRTC", crtc->base.base.id, - NULL, &scaler_state->scaler_id); + NULL, &scaler_state->scaler_id, + intel_casf_needs_scaler(crtc_state)); } static int setup_plane_scaler(struct intel_atomic_state *state, @@ -559,7 +571,8 @@ static int setup_plane_scaler(struct intel_atomic_state *state, return intel_atomic_setup_scaler(crtc_state, hweight32(scaler_state->scaler_users), crtc, "PLANE", plane->base.base.id, - plane_state, &plane_state->scaler_id); + plane_state, &plane_state->scaler_id, + false); } /** |