msm: sde: add query for max line width supported by rotator
Maximum line width is used by client to determine the maximum
input image width for rotator. Add query support for maximum
line width supported by rotator. The value of maximum line
width can be overridden in device tree.
CRs-Fixed: 2009714
Change-Id: I8d1a04560f108ddc5b4726646333339500ba80b6
Signed-off-by: Alan Kwong <akwong@codeaurora.org>
diff --git a/Documentation/devicetree/bindings/media/video/msm-sde-rotator.txt b/Documentation/devicetree/bindings/media/video/msm-sde-rotator.txt
index 058dab1..0295e1b 100644
--- a/Documentation/devicetree/bindings/media/video/msm-sde-rotator.txt
+++ b/Documentation/devicetree/bindings/media/video/msm-sde-rotator.txt
@@ -84,6 +84,7 @@
- qcom,mdss-rot-mode: This is integer value indicates operation mode
of the rotator device
- qcom,mdss-sbuf-headroom: This integer value indicates stream buffer headroom in lines.
+- qcom,mdss-rot-linewidth: This integer value indicates rotator line width supported in pixels.
- cache-slice-names: A set of names that identify the usecase names of a client that uses
cache slice. These strings are used to look up the cache slice
entries by name.
diff --git a/drivers/media/platform/msm/sde/rotator/sde_rotator_core.h b/drivers/media/platform/msm/sde/rotator/sde_rotator_core.h
index 980e4af..819f57b 100644
--- a/drivers/media/platform/msm/sde/rotator/sde_rotator_core.h
+++ b/drivers/media/platform/msm/sde/rotator/sde_rotator_core.h
@@ -459,6 +459,7 @@
bool input);
int (*ops_hw_get_downscale_caps)(struct sde_rot_mgr *mgr, char *caps,
int len);
+ int (*ops_hw_get_maxlinewidth)(struct sde_rot_mgr *mgr);
void *hw_data;
};
@@ -490,6 +491,14 @@
return 0;
}
+static inline int sde_rotator_get_maxlinewidth(struct sde_rot_mgr *mgr)
+{
+ if (mgr && mgr->ops_hw_get_maxlinewidth)
+ return mgr->ops_hw_get_maxlinewidth(mgr);
+
+ return 2048;
+}
+
static inline int __compare_session_item_rect(
struct sde_rotation_buf_info *s_rect,
struct sde_rect *i_rect, uint32_t i_fmt, bool src)
diff --git a/drivers/media/platform/msm/sde/rotator/sde_rotator_dev.c b/drivers/media/platform/msm/sde/rotator/sde_rotator_dev.c
index c061446..1c94632 100644
--- a/drivers/media/platform/msm/sde/rotator/sde_rotator_dev.c
+++ b/drivers/media/platform/msm/sde/rotator/sde_rotator_dev.c
@@ -1315,6 +1315,35 @@
EXPORT_SYMBOL(sde_rotator_inline_get_downscale_caps);
/*
+ * sde_rotator_inline_get_maxlinewidth - get maximum line width of rotator
+ * @pdev: Pointer to platform device
+ * return: maximum line width
+ */
+int sde_rotator_inline_get_maxlinewidth(struct platform_device *pdev)
+{
+ struct sde_rotator_device *rot_dev;
+ int maxlinewidth;
+
+ if (!pdev) {
+ SDEROT_ERR("invalid platform device\n");
+ return -EINVAL;
+ }
+
+ rot_dev = (struct sde_rotator_device *)platform_get_drvdata(pdev);
+ if (!rot_dev || !rot_dev->mgr) {
+ SDEROT_ERR("invalid rotator device\n");
+ return -EINVAL;
+ }
+
+ sde_rot_mgr_lock(rot_dev->mgr);
+ maxlinewidth = sde_rotator_get_maxlinewidth(rot_dev->mgr);
+ sde_rot_mgr_unlock(rot_dev->mgr);
+
+ return maxlinewidth;
+}
+EXPORT_SYMBOL(sde_rotator_inline_get_maxlinewidth);
+
+/*
* sde_rotator_inline_get_pixfmt_caps - get pixel format capability
* @pdev: Pointer to platform device
* @pixfmt: array of pixel format buffer
diff --git a/drivers/media/platform/msm/sde/rotator/sde_rotator_inline.h b/drivers/media/platform/msm/sde/rotator/sde_rotator_inline.h
index ec89785..27fd0c3 100644
--- a/drivers/media/platform/msm/sde/rotator/sde_rotator_inline.h
+++ b/drivers/media/platform/msm/sde/rotator/sde_rotator_inline.h
@@ -104,6 +104,7 @@
u32 src_pixfmt, u32 *dst_pixfmt);
int sde_rotator_inline_get_downscale_caps(struct platform_device *pdev,
char *downscale_caps, int len);
+int sde_rotator_inline_get_maxlinewidth(struct platform_device *pdev);
int sde_rotator_inline_get_pixfmt_caps(struct platform_device *pdev,
bool input, u32 *pixfmt, int len);
int sde_rotator_inline_commit(void *handle, struct sde_rotator_inline_cmd *cmd,
diff --git a/drivers/media/platform/msm/sde/rotator/sde_rotator_r3.c b/drivers/media/platform/msm/sde/rotator/sde_rotator_r3.c
index 9071361..a152573 100644
--- a/drivers/media/platform/msm/sde/rotator/sde_rotator_r3.c
+++ b/drivers/media/platform/msm/sde/rotator/sde_rotator_r3.c
@@ -55,6 +55,8 @@
#define DEFAULT_UBWC_MALSIZE 1
#define DEFAULT_UBWC_SWIZZLE 1
+#define DEFAULT_MAXLINEWIDTH 4096
+
/* Macro for constructing the REGDMA command */
#define SDE_REGDMA_WRITE(p, off, data) \
do { \
@@ -2457,11 +2459,24 @@
struct sde_rot_entry *entry)
{
struct sde_rot_data_type *mdata = sde_rot_get_mdata();
+ struct sde_hw_rotator *hw_data;
int ret = 0;
u16 src_w, src_h, dst_w, dst_h;
struct sde_rotation_item *item = &entry->item;
struct sde_mdp_format_params *fmt;
+ if (!mgr || !entry || !mgr->hw_data) {
+ SDEROT_ERR("invalid parameters\n");
+ return -EINVAL;
+ }
+
+ hw_data = mgr->hw_data;
+
+ if (hw_data->maxlinewidth < item->src_rect.w) {
+ SDEROT_ERR("invalid src width %u\n", item->src_rect.w);
+ return -EINVAL;
+ }
+
src_w = item->src_rect.w;
src_h = item->src_rect.h;
@@ -2756,6 +2771,25 @@
}
/*
+ * sde_hw_rotator_get_maxlinewidth - get maximum line width supported
+ * @mgr: Pointer to rotator manager
+ * return: maximum line width supported by hardware
+ */
+static int sde_hw_rotator_get_maxlinewidth(struct sde_rot_mgr *mgr)
+{
+ struct sde_hw_rotator *rot;
+
+ if (!mgr || !mgr->hw_data) {
+ SDEROT_ERR("null parameters\n");
+ return -EINVAL;
+ }
+
+ rot = mgr->hw_data;
+
+ return rot->maxlinewidth;
+}
+
+/*
* sde_hw_rotator_parse_dt - parse r3 specific device tree settings
* @hw_data: Pointer to rotator hw
* @dev: Pointer to platform device
@@ -2824,6 +2858,16 @@
hw_data->sbuf_headroom = data;
}
+ ret = of_property_read_u32(dev->dev.of_node,
+ "qcom,mdss-rot-linewidth", &data);
+ if (ret) {
+ ret = 0;
+ hw_data->maxlinewidth = DEFAULT_MAXLINEWIDTH;
+ } else {
+ SDEROT_DBG("set mdss-rot-linewidth to %d\n", data);
+ hw_data->maxlinewidth = data;
+ }
+
return ret;
}
@@ -2871,6 +2915,7 @@
mgr->ops_hw_pre_pmevent = sde_hw_rotator_pre_pmevent;
mgr->ops_hw_post_pmevent = sde_hw_rotator_post_pmevent;
mgr->ops_hw_get_downscale_caps = sde_hw_rotator_get_downscale_caps;
+ mgr->ops_hw_get_maxlinewidth = sde_hw_rotator_get_maxlinewidth;
ret = sde_hw_rotator_parse_dt(mgr->hw_data, mgr->pdev);
if (ret)
diff --git a/drivers/media/platform/msm/sde/rotator/sde_rotator_r3_internal.h b/drivers/media/platform/msm/sde/rotator/sde_rotator_r3_internal.h
index d1607d9..22eaa3f 100644
--- a/drivers/media/platform/msm/sde/rotator/sde_rotator_r3_internal.h
+++ b/drivers/media/platform/msm/sde/rotator/sde_rotator_r3_internal.h
@@ -262,6 +262,7 @@
* @outpixfmts: array of supported output pixel formats in fourcc
* @num_outpixfmt: size of the supported output pixel formats array
* @downscale_caps: capability string of scaling
+ * @maxlinewidth: maximum line width supported
*/
struct sde_hw_rotator {
/* base */
@@ -322,6 +323,7 @@
u32 *outpixfmts;
u32 num_outpixfmt;
const char *downscale_caps;
+ u32 maxlinewidth;
};
/**