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drm/i915/dsb: Pass DSB engine ID to intel_dsb_prepare()

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Allow the caller of intel_dsb_prepare() to determine which DSB
engine (out of the three possible per pipe) to use. This will
let us utilize multiple DSB engines during the same commit.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240531114101.19994-4-ville.syrjala@linux.intel.com
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
This commit is contained in:
Ville Syrjälä
2024-05-31 14:41:00 +03:00
parent 738f3d8618
commit 81d604f44b
3 changed files with 6 additions and 3 deletions
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2
drivers/gpu/drm/i915/display/intel_color.c
View File

@@ -1914,7 +1914,7 @@ void intel_color_prepare_commit(struct intel_crtc_state *crtc_state)
if (!crtc_state->pre_csc_lut && !crtc_state->post_csc_lut)
return;
crtc_state->dsb = intel_dsb_prepare(crtc_state, 1024);
crtc_state->dsb = intel_dsb_prepare(crtc_state, INTEL_DSB_0, 1024);
if (!crtc_state->dsb)
return;

6
drivers/gpu/drm/i915/display/intel_dsb.c
View File

@@ -435,6 +435,7 @@ void intel_dsb_wait(struct intel_dsb *dsb)
/**
* intel_dsb_prepare() - Allocate, pin and map the DSB command buffer.
* @crtc_state: the CRTC state
* @dsb_id: the DSB engine to use
* @max_cmds: number of commands we need to fit into command buffer
*
* This function prepare the command buffer which is used to store dsb
@@ -444,6 +445,7 @@ void intel_dsb_wait(struct intel_dsb *dsb)
* DSB context, NULL on failure
*/
struct intel_dsb *intel_dsb_prepare(const struct intel_crtc_state *crtc_state,
enum intel_dsb_id dsb_id,
unsigned int max_cmds)
{
struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc);
@@ -473,7 +475,7 @@ struct intel_dsb *intel_dsb_prepare(const struct intel_crtc_state *crtc_state,
intel_runtime_pm_put(&i915->runtime_pm, wakeref);
dsb->id = INTEL_DSB_0;
dsb->id = dsb_id;
dsb->crtc = crtc;
dsb->size = size / 4; /* in dwords */
dsb->free_pos = 0;
@@ -488,7 +490,7 @@ struct intel_dsb *intel_dsb_prepare(const struct intel_crtc_state *crtc_state,
out:
drm_info_once(&i915->drm,
"[CRTC:%d:%s] DSB %d queue setup failed, will fallback to MMIO for display HW programming\n",
crtc->base.base.id, crtc->base.name, INTEL_DSB_0);
crtc->base.base.id, crtc->base.name, dsb_id);
return NULL;
}

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

@@ -23,6 +23,7 @@ enum intel_dsb_id {
};
struct intel_dsb *intel_dsb_prepare(const struct intel_crtc_state *crtc_state,
enum intel_dsb_id dsb_id,
unsigned int max_cmds);
void intel_dsb_finish(struct intel_dsb *dsb);
void intel_dsb_cleanup(struct intel_dsb *dsb);