diff mbox

drm/amd/display: fix type of variable

Message ID 20180615133228.GA28677@embeddedor.com (mailing list archive)
State New, archived
Headers show

Commit Message

Gustavo A. R. Silva June 15, 2018, 1:32 p.m. UTC
Currently, the maximum value that *counter* can reach is 255, and
code at line 150: while (counter < 1000) { implies a bigger value
could be expected.

Fix this by changing the type of variable *counter* from uint8_t
to uint16_t.

Addresses-Coverity-ID: 1470030 ("Operands don't affect result")
Fixes: 2b6199a1d1b7 ("drm/amd/display: replace msleep with udelay in fbc path")
Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
---
 drivers/gpu/drm/amd/display/dc/dce110/dce110_compressor.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox

Patch

diff --git a/drivers/gpu/drm/amd/display/dc/dce110/dce110_compressor.c b/drivers/gpu/drm/amd/display/dc/dce110/dce110_compressor.c
index e2994d3..111c492 100644
--- a/drivers/gpu/drm/amd/display/dc/dce110/dce110_compressor.c
+++ b/drivers/gpu/drm/amd/display/dc/dce110/dce110_compressor.c
@@ -143,7 +143,7 @@  static void wait_for_fbc_state_changed(
 	struct dce110_compressor *cp110,
 	bool enabled)
 {
-	uint8_t counter = 0;
+	uint16_t counter = 0;
 	uint32_t addr = mmFBC_STATUS;
 	uint32_t value;