drm/amd/display: Fix incorrect variable name

Wesley Chalmers · alexdeucher · commit d8ddeb155c00 · 2021-06-21T17:45:14.000-04:00
[WHY]
extended_end_address can only be calculated from the extended_address and
extended_size

Signed-off-by: Wesley Chalmers &lt;Wesley.Chalmers@amd.com&gt;
Reviewed-by: Ashley Thomas &lt;Ashley.Thomas2@amd.com&gt;
Acked-by: Bindu Ramamurthy &lt;bindu.r@amd.com&gt;
Tested-by: Daniel Wheeler &lt;daniel.wheeler@amd.com&gt;
Signed-off-by: Alex Deucher &lt;alexander.deucher@amd.com&gt;
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link_dpcd.c b/drivers/gpu/drm/amd/display/dc/core/dc_link_dpcd.c
@@ -152,7 +152,7 @@ static void dpcd_reduce_address_range(
 		const uint32_t reduced_size)
 {
 	const uint32_t reduced_end_address = END_ADDRESS(reduced_address, reduced_size);
-	const uint32_t extended_end_address = END_ADDRESS(reduced_address, extended_size);
+	const uint32_t extended_end_address = END_ADDRESS(extended_address, extended_size);
 	const uint32_t offset = reduced_address - extended_address;
 
 	if (extended_end_address == reduced_end_address && extended_address == reduced_address)

Original file line number	Diff line number	Diff line change
`@@ -152,7 +152,7 @@ static void dpcd_reduce_address_range(`
`152`	`152`	`const uint32_t reduced_size)`
`153`	`153`	`{`
`154`	`154`	`const uint32_t reduced_end_address = END_ADDRESS(reduced_address, reduced_size);`
`155`		`- const uint32_t extended_end_address = END_ADDRESS(reduced_address, extended_size);`
	`155`	`+ const uint32_t extended_end_address = END_ADDRESS(extended_address, extended_size);`
`156`	`156`	`const uint32_t offset = reduced_address - extended_address;`
`157`	`157`
`158`	`158`	`if (extended_end_address == reduced_end_address && extended_address == reduced_address)`