From: David Galiffi <David.Galiffi@xxxxxxx>
[Why]
Underflow is observed when cursor is still enabled when the cursor
rectangle is outside the bounds of it's surface viewport.
[How]
Update parameters used to determine when cursor should be disabled.
Reviewed-by: Martin Leung <Martin.Leung@xxxxxxx>
Acked-by: Brian Chang <Brian.Chang@xxxxxxx>
Signed-off-by: David Galiffi <David.Galiffi@xxxxxxx>
---
.../gpu/drm/amd/display/dc/dcn10/dcn10_dpp.c | 34 +++++++++++++------
.../gpu/drm/amd/display/dc/dcn10/dcn10_hubp.c | 28 ++++++++++-----
.../gpu/drm/amd/display/dc/dcn20/dcn20_hubp.c | 32 +++++++++++------
3 files changed, 64 insertions(+), 30 deletions(-)
diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_dpp.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_dpp.c
index b9765b3899e1..ef52e6b6eccf 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_dpp.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_dpp.c
@@ -436,34 +436,48 @@ void dpp1_set_cursor_position(
uint32_t height)
{
struct dcn10_dpp *dpp = TO_DCN10_DPP(dpp_base);
- int src_x_offset = pos->x - pos->x_hotspot - param->viewport.x;
- int src_y_offset = pos->y - pos->y_hotspot - param->viewport.y;
+ int x_pos = pos->x - param->viewport.x;
+ int y_pos = pos->y - param->viewport.y;
+ int x_hotspot = pos->x_hotspot;
+ int y_hotspot = pos->y_hotspot;
+ int src_x_offset = x_pos - pos->x_hotspot;
+ int src_y_offset = y_pos - pos->y_hotspot;
+ int cursor_height = (int)height;
+ int cursor_width = (int)width;
uint32_t cur_en = pos->enable ? 1 : 0;
- // Cursor width/height and hotspots need to be rotated for offset calculation
+ // Transform cursor width / height and hotspots for offset calculations
if (param->rotation == ROTATION_ANGLE_90 || param->rotation == ROTATION_ANGLE_270) {
- swap(width, height);
+ swap(cursor_height, cursor_width);
+ swap(x_hotspot, y_hotspot);
+
if (param->rotation == ROTATION_ANGLE_90) {
- src_x_offset = pos->x - pos->y_hotspot - param->viewport.x;
- src_y_offset = pos->y - pos->x_hotspot - param->viewport.y;
+ // hotspot = (-y, x)
+ src_x_offset = x_pos - (cursor_width - x_hotspot);
+ src_y_offset = y_pos - y_hotspot;
+ } else if (param->rotation == ROTATION_ANGLE_270) {
+ // hotspot = (y, -x)
+ src_x_offset = x_pos - x_hotspot;
+ src_y_offset = y_pos - (cursor_height - y_hotspot);
}
} else if (param->rotation == ROTATION_ANGLE_180) {
+ // hotspot = (-x, -y)
if (!param->mirror)
- src_x_offset = pos->x - param->viewport.x;
+ src_x_offset = x_pos - (cursor_width - x_hotspot);
- src_y_offset = pos->y - param->viewport.y;
+ src_y_offset = y_pos - (cursor_height - y_hotspot);
}
if (src_x_offset >= (int)param->viewport.width)
cur_en = 0; /* not visible beyond right edge*/
- if (src_x_offset + (int)width <= 0)
+ if (src_x_offset + cursor_width <= 0)
cur_en = 0; /* not visible beyond left edge*/
if (src_y_offset >= (int)param->viewport.height)
cur_en = 0; /* not visible beyond bottom edge*/
- if (src_y_offset + (int)height <= 0)
+ if (src_y_offset + cursor_height <= 0)
cur_en = 0; /* not visible beyond top edge*/
REG_UPDATE(CURSOR0_CONTROL,
diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hubp.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hubp.c
index 52e201e9b091..a142a00bc432 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hubp.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hubp.c
@@ -1179,10 +1179,12 @@ void hubp1_cursor_set_position(
const struct dc_cursor_mi_param *param)
{
struct dcn10_hubp *hubp1 = TO_DCN10_HUBP(hubp);
- int src_x_offset = pos->x - pos->x_hotspot - param->viewport.x;
- int src_y_offset = pos->y - pos->y_hotspot - param->viewport.y;
+ int x_pos = pos->x - param->viewport.x;
+ int y_pos = pos->y - param->viewport.y;
int x_hotspot = pos->x_hotspot;
int y_hotspot = pos->y_hotspot;
+ int src_x_offset = x_pos - pos->x_hotspot;
+ int src_y_offset = y_pos - pos->y_hotspot;
int cursor_height = (int)hubp->curs_attr.height;
int cursor_width = (int)hubp->curs_attr.width;
uint32_t dst_x_offset;
@@ -1200,18 +1202,26 @@ void hubp1_cursor_set_position(
if (hubp->curs_attr.address.quad_part == 0)
return;
- // Rotated cursor width/height and hotspots tweaks for offset calculation
+ // Transform cursor width / height and hotspots for offset calculations
if (param->rotation == ROTATION_ANGLE_90 || param->rotation == ROTATION_ANGLE_270) {
swap(cursor_height, cursor_width);
+ swap(x_hotspot, y_hotspot);
+
if (param->rotation == ROTATION_ANGLE_90) {
- src_x_offset = pos->x - pos->y_hotspot - param->viewport.x;
- src_y_offset = pos->y - pos->x_hotspot - param->viewport.y;
+ // hotspot = (-y, x)
+ src_x_offset = x_pos - (cursor_width - x_hotspot);
+ src_y_offset = y_pos - y_hotspot;
+ } else if (param->rotation == ROTATION_ANGLE_270) {
+ // hotspot = (y, -x)
+ src_x_offset = x_pos - x_hotspot;
+ src_y_offset = y_pos - (cursor_height - y_hotspot);
}
} else if (param->rotation == ROTATION_ANGLE_180) {
+ // hotspot = (-x, -y)
if (!param->mirror)
- src_x_offset = pos->x - param->viewport.x;
+ src_x_offset = x_pos - (cursor_width - x_hotspot);
- src_y_offset = pos->y - param->viewport.y;
+ src_y_offset = y_pos - (cursor_height - y_hotspot);
}
dst_x_offset = (src_x_offset >= 0) ? src_x_offset : 0;
@@ -1248,8 +1258,8 @@ void hubp1_cursor_set_position(
CURSOR_Y_POSITION, pos->y);
REG_SET_2(CURSOR_HOT_SPOT, 0,
- CURSOR_HOT_SPOT_X, x_hotspot,
- CURSOR_HOT_SPOT_Y, y_hotspot);
+ CURSOR_HOT_SPOT_X, pos->x_hotspot,
+ CURSOR_HOT_SPOT_Y, pos->y_hotspot);
REG_SET(CURSOR_DST_OFFSET, 0,
CURSOR_DST_X_OFFSET, dst_x_offset);
diff --git a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hubp.c b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hubp.c
index 938dba5249d4..4566bc7abf17 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hubp.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hubp.c
@@ -973,10 +973,12 @@ void hubp2_cursor_set_position(
const struct dc_cursor_mi_param *param)
{
struct dcn20_hubp *hubp2 = TO_DCN20_HUBP(hubp);
- int src_x_offset = pos->x - pos->x_hotspot - param->viewport.x;
- int src_y_offset = pos->y - pos->y_hotspot - param->viewport.y;
+ int x_pos = pos->x - param->viewport.x;
+ int y_pos = pos->y - param->viewport.y;
int x_hotspot = pos->x_hotspot;
int y_hotspot = pos->y_hotspot;
+ int src_x_offset = x_pos - pos->x_hotspot;
+ int src_y_offset = y_pos - pos->y_hotspot;
int cursor_height = (int)hubp->curs_attr.height;
int cursor_width = (int)hubp->curs_attr.width;
uint32_t dst_x_offset;
@@ -994,18 +996,26 @@ void hubp2_cursor_set_position(
if (hubp->curs_attr.address.quad_part == 0)
return;
- // Rotated cursor width/height and hotspots tweaks for offset calculation
+ // Transform cursor width / height and hotspots for offset calculations
if (param->rotation == ROTATION_ANGLE_90 || param->rotation == ROTATION_ANGLE_270) {
swap(cursor_height, cursor_width);
+ swap(x_hotspot, y_hotspot);
+
if (param->rotation == ROTATION_ANGLE_90) {
- src_x_offset = pos->x - pos->y_hotspot - param->viewport.x;
- src_y_offset = pos->y - pos->x_hotspot - param->viewport.y;
+ // hotspot = (-y, x)
+ src_x_offset = x_pos - (cursor_width - x_hotspot);
+ src_y_offset = y_pos - y_hotspot;
+ } else if (param->rotation == ROTATION_ANGLE_270) {
+ // hotspot = (y, -x)
+ src_x_offset = x_pos - x_hotspot;
+ src_y_offset = y_pos - (cursor_height - y_hotspot);
}
} else if (param->rotation == ROTATION_ANGLE_180) {
+ // hotspot = (-x, -y)
if (!param->mirror)
- src_x_offset = pos->x - param->viewport.x;
+ src_x_offset = x_pos - (cursor_width - x_hotspot);
- src_y_offset = pos->y - param->viewport.y;
+ src_y_offset = y_pos - (cursor_height - y_hotspot);
}
dst_x_offset = (src_x_offset >= 0) ? src_x_offset : 0;
@@ -1042,8 +1052,8 @@ void hubp2_cursor_set_position(
CURSOR_Y_POSITION, pos->y);
REG_SET_2(CURSOR_HOT_SPOT, 0,
- CURSOR_HOT_SPOT_X, x_hotspot,
- CURSOR_HOT_SPOT_Y, y_hotspot);
+ CURSOR_HOT_SPOT_X, pos->x_hotspot,
+ CURSOR_HOT_SPOT_Y, pos->y_hotspot);
REG_SET(CURSOR_DST_OFFSET, 0,
CURSOR_DST_X_OFFSET, dst_x_offset);
@@ -1052,8 +1062,8 @@ void hubp2_cursor_set_position(
hubp->pos.cur_ctl.bits.cur_enable = cur_en;
hubp->pos.position.bits.x_pos = pos->x;
hubp->pos.position.bits.y_pos = pos->y;
- hubp->pos.hot_spot.bits.x_hot = x_hotspot;
- hubp->pos.hot_spot.bits.y_hot = y_hotspot;
+ hubp->pos.hot_spot.bits.x_hot = pos->x_hotspot;
+ hubp->pos.hot_spot.bits.y_hot = pos->y_hotspot;
hubp->pos.dst_offset.bits.dst_x_offset = dst_x_offset;
/* Cursor Rectangle Cache
* Cursor bitmaps have different hotspot values
--
2.25.1
