The test for "Link training failed" expect the loop to exit with "i"
set to zero but it exits when "i" is set to -1. Change this from a
post-op to a pre-op so that it exits with "i" set to zero. This
changes the number of iterations from 10 to 9 but probably that's
okay.
Fixes: 2281475168d2 ("drm/ast: astdp: Perform link training during atomic_enable")
Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
---
drivers/gpu/drm/ast/ast_dp.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/ast/ast_dp.c b/drivers/gpu/drm/ast/ast_dp.c
index 5d07678b502c..4329ab680f62 100644
--- a/drivers/gpu/drm/ast/ast_dp.c
+++ b/drivers/gpu/drm/ast/ast_dp.c
@@ -148,7 +148,7 @@ void ast_dp_link_training(struct ast_device *ast)
struct drm_device *dev = &ast->base;
unsigned int i = 10;
- while (i--) {
+ while (--i) {
u8 vgacrdc = ast_get_index_reg(ast, AST_IO_VGACRI, 0xdc);
if (vgacrdc & AST_IO_VGACRDC_LINK_SUCCESS)
--
2.43.0
