[RFC PATCH v1 08/12] drm/msm/dpu: move pstate->pipe initialization to dpu_plane_atomic_check

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In preparation to virtualized planes support, move pstate->pipe
initialization from dpu_plane_reset() to dpu_plane_atomic_check(). In
case of virtual planes the plane's pipe will not be known up to the
point of atomic_check() callback.

Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx>
---
 drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c | 23 +++++++++--------------
 1 file changed, 9 insertions(+), 14 deletions(-)

diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c
index 2e63eb0a2f3f..1b11c9476fb3 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c
@@ -845,6 +845,7 @@ static int dpu_plane_atomic_check(struct drm_plane *plane,
 	int ret = 0, min_scale;
 	struct dpu_plane *pdpu = to_dpu_plane(plane);
 	struct dpu_plane_state *pstate = to_dpu_plane_state(new_plane_state);
+	struct dpu_kms *dpu_kms = _dpu_plane_get_kms(plane);
 	struct dpu_sw_pipe *pipe = &pstate->pipe;
 	struct dpu_sw_pipe *r_pipe = &pstate->r_pipe;
 	const struct drm_crtc_state *crtc_state = NULL;
@@ -855,13 +856,19 @@ static int dpu_plane_atomic_check(struct drm_plane *plane,
 	uint32_t max_linewidth;
 	unsigned int rotation;
 	uint32_t supported_rotations;
-	const struct dpu_sspp_cfg *pipe_hw_caps = pstate->pipe.sspp->cap;
-	const struct dpu_sspp_sub_blks *sblk = pstate->pipe.sspp->cap->sblk;
+	const struct dpu_sspp_cfg *pipe_hw_caps;
+	const struct dpu_sspp_sub_blks *sblk;
 
 	if (new_plane_state->crtc)
 		crtc_state = drm_atomic_get_new_crtc_state(state,
 							   new_plane_state->crtc);
 
+	pipe->sspp = dpu_rm_get_sspp(&dpu_kms->rm, pdpu->pipe);
+	r_pipe->sspp = NULL;
+
+	pipe_hw_caps = pstate->pipe.sspp->cap;
+	sblk = pstate->pipe.sspp->cap->sblk;
+
 	min_scale = FRAC_16_16(1, sblk->maxupscale);
 	ret = drm_atomic_helper_check_plane_state(new_plane_state, crtc_state,
 						  min_scale,
@@ -878,7 +885,6 @@ static int dpu_plane_atomic_check(struct drm_plane *plane,
 	pipe->multirect_mode = DPU_SSPP_MULTIRECT_NONE;
 	r_pipe->multirect_index = DPU_SSPP_RECT_SOLO;
 	r_pipe->multirect_mode = DPU_SSPP_MULTIRECT_NONE;
-	r_pipe->sspp = NULL;
 
 	pstate->stage = DPU_STAGE_0 + pstate->base.normalized_zpos;
 	if (pstate->stage >= pdpu->catalog->caps->max_mixer_blendstages) {
@@ -1367,7 +1373,6 @@ static void dpu_plane_reset(struct drm_plane *plane)
 {
 	struct dpu_plane *pdpu;
 	struct dpu_plane_state *pstate;
-	struct dpu_kms *dpu_kms = _dpu_plane_get_kms(plane);
 
 	if (!plane) {
 		DPU_ERROR("invalid plane\n");
@@ -1389,16 +1394,6 @@ static void dpu_plane_reset(struct drm_plane *plane)
 		return;
 	}
 
-	/*
-	 * Set the SSPP here until we have proper virtualized DPU planes.
-	 * This is the place where the state is allocated, so fill it fully.
-	 */
-	pstate->pipe.sspp = dpu_rm_get_sspp(&dpu_kms->rm, pdpu->pipe);
-	pstate->pipe.multirect_index = DPU_SSPP_RECT_SOLO;
-	pstate->pipe.multirect_mode = DPU_SSPP_MULTIRECT_NONE;
-
-	pstate->r_pipe.sspp = NULL;
-
 	__drm_atomic_helper_plane_reset(plane, &pstate->base);
 }
 
-- 
2.30.2




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