On 1/26/2023 9:56 PM, Dmitry Baryshkov wrote:
On Fri, 27 Jan 2023 at 01:29, Abhinav Kumar <quic_abhinavk@xxxxxxxxxxx> wrote:
On 12/29/2022 11:18 AM, Dmitry Baryshkov wrote:
Follow the example of all other hw blocks and initialize SSPP blocks in
Resource Manager.
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx>
---
drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c | 17 ++++-------------
drivers/gpu/drm/msm/disp/dpu1/dpu_rm.c | 22 ++++++++++++++++++++++
drivers/gpu/drm/msm/disp/dpu1/dpu_rm.h | 12 ++++++++++++
3 files changed, 38 insertions(+), 13 deletions(-)
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c
index e1cdd71716f0..e443799de2c1 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c
@@ -1275,8 +1275,6 @@ static void dpu_plane_destroy(struct drm_plane *plane)
/* this will destroy the states as well */
drm_plane_cleanup(plane);
- dpu_hw_sspp_destroy(pdpu->pipe_hw);
-
We removed from here so the flow will be msm_drm_uninit calls
drm_mode_config_cleanup() which will call kms->destroy() which shall
call dpu_rm_destroy() where this will be released now right?
Yes. _dpu_kms_hw_destroy() calls dpu_rm_destroy(), which destroys all
RM-allocated objects.
Ack, thanks
kfree(pdpu);
}
}
@@ -1482,14 +1480,10 @@ struct drm_plane *dpu_plane_init(struct drm_device *dev,
pdpu->pipe = pipe;
/* initialize underlying h/w driver */
- pdpu->pipe_hw = dpu_hw_sspp_init(pipe, kms->mmio, kms->catalog);
- if (IS_ERR(pdpu->pipe_hw)) {
- DPU_ERROR("[%u]SSPP init failed\n", pipe);
- ret = PTR_ERR(pdpu->pipe_hw);
+ pdpu->pipe_hw = dpu_rm_get_sspp(&kms->rm, pipe);
+ if (!pdpu->pipe_hw || !pdpu->pipe_hw->cap || !pdpu->pipe_hw->cap->sblk) {
+ DPU_ERROR("[%u]SSPP is invalid\n", pipe);
I know this was existing code but can there be a case where pipe_hw->cap
exists but pipe_hw->cap->sblk doesnt?
There is none up to now, granted that SSPP has a lot of extra data in
sblk. However, as you said, it's an existing code. No need to change
it here. And it's good as a safety net.
Granted that SRC offset is always 0, we can safely drop the src_sblk
and always access it via main register space.
Alright, since this is existing code, lets have it as a separate change.
Hence,
Reviewed-by: Abhinav Kumar <quic_abhinavk@xxxxxxxxxxx>
goto clean_plane;
- } else if (!pdpu->pipe_hw->cap || !pdpu->pipe_hw->cap->sblk) {
- DPU_ERROR("[%u]SSPP init returned invalid cfg\n", pipe);
- goto clean_sspp;
}
format_list = pdpu->pipe_hw->cap->sblk->format_list;
@@ -1499,7 +1493,7 @@ struct drm_plane *dpu_plane_init(struct drm_device *dev,
format_list, num_formats,
supported_format_modifiers, type, NULL);
if (ret)
- goto clean_sspp;
+ goto clean_plane;
pdpu->catalog = kms->catalog;
@@ -1532,9 +1526,6 @@ struct drm_plane *dpu_plane_init(struct drm_device *dev,
pipe, plane->base.id);
return plane;
-clean_sspp:
- if (pdpu && pdpu->pipe_hw)
- dpu_hw_sspp_destroy(pdpu->pipe_hw);
clean_plane:
kfree(pdpu);
return ERR_PTR(ret);
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_rm.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_rm.c
index 73b3442e7467..0668009cc9ed 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_rm.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_rm.c
@@ -8,6 +8,7 @@
#include "dpu_hw_lm.h"
#include "dpu_hw_ctl.h"
#include "dpu_hw_pingpong.h"
+#include "dpu_hw_sspp.h"
#include "dpu_hw_intf.h"
#include "dpu_hw_wb.h"
#include "dpu_hw_dspp.h"
@@ -91,6 +92,9 @@ int dpu_rm_destroy(struct dpu_rm *rm)
for (i = 0; i < ARRAY_SIZE(rm->hw_wb); i++)
dpu_hw_wb_destroy(rm->hw_wb[i]);
+ for (i = 0; i < ARRAY_SIZE(rm->hw_sspp); i++)
+ dpu_hw_sspp_destroy(rm->hw_sspp[i]);
+
return 0;
}
@@ -255,6 +259,24 @@ int dpu_rm_init(struct dpu_rm *rm,
rm->dsc_blks[dsc->id - DSC_0] = &hw->base;
}
+ for (i = 0; i < cat->sspp_count; i++) {
+ struct dpu_hw_sspp *hw;
+ const struct dpu_sspp_cfg *sspp = &cat->sspp[i];
+
+ if (sspp->id < SSPP_NONE || sspp->id >= SSPP_MAX) {
+ DPU_ERROR("skip intf %d with invalid id\n", sspp->id);
+ continue;
+ }
+
+ hw = dpu_hw_sspp_init(sspp->id, mmio, cat);
+ if (IS_ERR(hw)) {
+ rc = PTR_ERR(hw);
+ DPU_ERROR("failed sspp object creation: err %d\n", rc);
+ goto fail;
+ }
+ rm->hw_sspp[sspp->id - SSPP_NONE] = hw;
+ }
+
return 0;
fail:
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_rm.h b/drivers/gpu/drm/msm/disp/dpu1/dpu_rm.h
index 59de72b381f9..d62c2edb2460 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_rm.h
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_rm.h
@@ -21,6 +21,7 @@ struct dpu_global_state;
* @hw_intf: array of intf hardware resources
* @hw_wb: array of wb hardware resources
* @dspp_blks: array of dspp hardware resources
+ * @hw_sspp: array of sspp hardware resources
*/
struct dpu_rm {
struct dpu_hw_blk *pingpong_blks[PINGPONG_MAX - PINGPONG_0];
@@ -31,6 +32,7 @@ struct dpu_rm {
struct dpu_hw_blk *dspp_blks[DSPP_MAX - DSPP_0];
struct dpu_hw_blk *merge_3d_blks[MERGE_3D_MAX - MERGE_3D_0];
struct dpu_hw_blk *dsc_blks[DSC_MAX - DSC_0];
+ struct dpu_hw_sspp *hw_sspp[SSPP_MAX - SSPP_NONE];
};
/**
@@ -108,5 +110,15 @@ static inline struct dpu_hw_wb *dpu_rm_get_wb(struct dpu_rm *rm, enum dpu_wb wb_
return rm->hw_wb[wb_idx - WB_0];
}
+/**
+ * dpu_rm_get_sspp - Return a struct dpu_hw_sspp instance given it's index.
+ * @rm: DPU Resource Manager handle
+ * @sspp_idx: SSPP index
+ */
+static inline struct dpu_hw_sspp *dpu_rm_get_sspp(struct dpu_rm *rm, enum dpu_sspp sspp_idx)
+{
+ return rm->hw_sspp[sspp_idx - SSPP_NONE];
+}
+
#endif /* __DPU_RM_H__ */
