drm/radeon/kms/igp: sideport is AMD only
Intel variants don't support it.
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Cc: stable@kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
diff --git a/drivers/gpu/drm/radeon/radeon_atombios.c b/drivers/gpu/drm/radeon/radeon_atombios.c
index 6df7bd5..3bc2bcd 100644
--- a/drivers/gpu/drm/radeon/radeon_atombios.c
+++ b/drivers/gpu/drm/radeon/radeon_atombios.c
@@ -1032,21 +1032,18 @@
u8 frev, crev;
u16 data_offset;
+ /* sideport is AMD only */
+ if (rdev->family == CHIP_RS600)
+ return false;
+
if (atom_parse_data_header(mode_info->atom_context, index, NULL,
&frev, &crev, &data_offset)) {
igp_info = (union igp_info *)(mode_info->atom_context->bios +
data_offset);
switch (crev) {
case 1:
- /* AMD IGPS */
- if ((rdev->family == CHIP_RS690) ||
- (rdev->family == CHIP_RS740)) {
- if (igp_info->info.ulBootUpMemoryClock)
- return true;
- } else {
- if (igp_info->info.ucMemoryType & 0xf0)
- return true;
- }
+ if (igp_info->info.ulBootUpMemoryClock)
+ return true;
break;
case 2:
if (igp_info->info_2.ucMemoryType & 0x0f)