From 2682cefea4c8078adeba4d74b7286e38fb631208 Mon Sep 17 00:00:00 2001 From: Sean Paul Date: Wed, 12 Sep 2018 09:54:58 -0400 Subject: [PATCH] drm/msm: dpu: Make dpu_plane_sspp_atomic_update() void All of the checks in dpu_plane_sspp_atomic_update() are impossible, so remove them and make the function void. This removes the need to error check in dpu_plane_atomic_update(). Additionally, remove impossible checks in dpu_plane_atomic_update(). Changes in v2: - None Reviewed-by: Jeykumar Sankaran Signed-off-by: Sean Paul Signed-off-by: Rob Clark --- drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c | 71 ++++++------------------------- 1 file changed, 14 insertions(+), 57 deletions(-) diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c index 4b122872ca39..c991fbb278c1 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c @@ -1194,45 +1194,17 @@ void dpu_plane_set_error(struct drm_plane *plane, bool error) pdpu->is_error = error; } -static int dpu_plane_sspp_atomic_update(struct drm_plane *plane, - struct drm_plane_state *old_state) +static void dpu_plane_sspp_atomic_update(struct drm_plane *plane, + struct drm_plane_state *old_state) { - uint32_t nplanes, src_flags; - struct dpu_plane *pdpu; - struct drm_plane_state *state; - struct dpu_plane_state *pstate; - struct dpu_plane_state *old_pstate; - const struct dpu_format *fmt; - struct drm_crtc *crtc; - struct drm_framebuffer *fb; - - if (!plane) { - DPU_ERROR("invalid plane\n"); - return -EINVAL; - } else if (!plane->state) { - DPU_ERROR("invalid plane state\n"); - return -EINVAL; - } else if (!old_state) { - DPU_ERROR("invalid old state\n"); - return -EINVAL; - } - - pdpu = to_dpu_plane(plane); - state = plane->state; - - pstate = to_dpu_plane_state(state); - - old_pstate = to_dpu_plane_state(old_state); - - crtc = state->crtc; - fb = state->fb; - if (!crtc || !fb) { - DPU_ERROR_PLANE(pdpu, "invalid crtc %d or fb %d\n", - crtc != 0, fb != 0); - return -EINVAL; - } - fmt = to_dpu_format(msm_framebuffer_format(fb)); - nplanes = fmt->num_planes; + uint32_t src_flags; + struct dpu_plane *pdpu = to_dpu_plane(plane); + struct drm_plane_state *state = plane->state; + struct dpu_plane_state *pstate = to_dpu_plane_state(state); + struct drm_crtc *crtc = state->crtc; + struct drm_framebuffer *fb = state->fb; + const struct dpu_format *fmt = + to_dpu_format(msm_framebuffer_format(fb)); memset(&(pdpu->pipe_cfg), 0, sizeof(struct dpu_hw_pipe_cfg)); @@ -1263,7 +1235,7 @@ static int dpu_plane_sspp_atomic_update(struct drm_plane *plane, /* override for color fill */ if (pdpu->color_fill & DPU_PLANE_COLOR_FILL_FLAG) { /* skip remaining processing on color fill */ - return 0; + return; } if (pdpu->pipe_hw->ops.setup_rects) { @@ -1334,7 +1306,6 @@ static int dpu_plane_sspp_atomic_update(struct drm_plane *plane, } _dpu_plane_set_qos_remap(plane); - return 0; } static void _dpu_plane_atomic_disable(struct drm_plane *plane, @@ -1373,31 +1344,17 @@ static void _dpu_plane_atomic_disable(struct drm_plane *plane, static void dpu_plane_atomic_update(struct drm_plane *plane, struct drm_plane_state *old_state) { - struct dpu_plane *pdpu; - struct drm_plane_state *state; - - if (!plane) { - DPU_ERROR("invalid plane\n"); - return; - } else if (!plane->state) { - DPU_ERROR("invalid plane state\n"); - return; - } + struct dpu_plane *pdpu = to_dpu_plane(plane); + struct drm_plane_state *state = plane->state; - pdpu = to_dpu_plane(plane); pdpu->is_error = false; - state = plane->state; DPU_DEBUG_PLANE(pdpu, "\n"); if (!state->visible) { _dpu_plane_atomic_disable(plane, old_state); } else { - int ret; - - ret = dpu_plane_sspp_atomic_update(plane, old_state); - /* atomic_check should have ensured that this doesn't fail */ - WARN_ON(ret < 0); + dpu_plane_sspp_atomic_update(plane, old_state); } } -- 2.11.0