[igt-dev] [PATCH i-g-t 2/3] lib/igt_draw: Fix blt tiled stride for gen2/3

Ville Syrjala
2019-11-29T14:30:54Z

From: Ville Syrjälä <ville.syrjala@linux.intel.com>

Gen2/3 blitter doesn't want us to do the /4 adjustment
to the tiled stride.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
---
lib/igt_draw.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/igt_draw.c b/lib/igt_draw.c
index 11bbfd0a1353..7e0edec198d2 100644
--- a/lib/igt_draw.c
+++ b/lib/igt_draw.c
@@ -551,7 +551,7 @@ static void draw_rect_blt(int fd, struct cmd_data *cmd_data,

blt_cmd_len = (gen >= 8) ? 0x5 : 0x4;
blt_cmd_tiling = (tiling) ? XY_COLOR_BLT_TILED : 0;
- pitch = (tiling) ? buf->stride / 4 : buf->stride;
+ pitch = (gen >= 4 && tiling) ? buf->stride / 4 : buf->stride;

switch_blt_tiling(batch, tiling, true);

--
2.23.0