From: Saaem Rizvi <syedsaaem.rizvi@amd.com>
Date: Thu, 18 May 2023 16:12:20 +0000 (-0400)
Subject: drm/amd/display: Wrong index type for pipe iterator
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=490ddccb84fe2f6165b2bdd2d00fd4ab593b95ec;p=linux.git

drm/amd/display: Wrong index type for pipe iterator

[Why and How]
Type mismatch in index and pipe count might cause an infinite loop. code
Change should resolve this issue.

Acked-by: Stylon Wang <stylon.wang@amd.com>
Signed-off-by: Saaem Rizvi <syedsaaem.rizvi@amd.com>
Reviewed-by: Josip Pavic <Josip.Pavic@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---

diff --git a/drivers/gpu/drm/amd/display/dc/dcn314/dcn314_hwseq.c b/drivers/gpu/drm/amd/display/dc/dcn314/dcn314_hwseq.c
index 46b6f4f9e1fd1..ce7e6f20b31fc 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn314/dcn314_hwseq.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn314/dcn314_hwseq.c
@@ -392,7 +392,7 @@ void dcn314_set_pixels_per_cycle(struct pipe_ctx *pipe_ctx)
 
 void dcn314_resync_fifo_dccg_dio(struct dce_hwseq *hws, struct dc *dc, struct dc_state *context)
 {
-	uint8_t i;
+	unsigned int i;
 	struct pipe_ctx *pipe = NULL;
 	bool otg_disabled[MAX_PIPES] = {false};
 
diff --git a/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_hwseq.c b/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_hwseq.c
index 3f11992e380b0..00f32ffe00796 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_hwseq.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_hwseq.c
@@ -1201,7 +1201,7 @@ void dcn32_set_pixels_per_cycle(struct pipe_ctx *pipe_ctx)
 
 void dcn32_resync_fifo_dccg_dio(struct dce_hwseq *hws, struct dc *dc, struct dc_state *context)
 {
-	uint8_t i;
+	unsigned int i;
 	struct pipe_ctx *pipe = NULL;
 	bool otg_disabled[MAX_PIPES] = {false};