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drm/radeon: allow pcie gen2 speed on Cayman

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Looks like the same pcie gen2 speed initialization for
Evergreen also works on Cayman and seems to come up fine,
so enable it if the module parameter says so

Signed-off-by: Ilija Hadzic <ihadzic@research.bell-labs.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Ilija Hadzic 2011-09-20 10:22:58 -04:00 committed by Dave Airlie
parent cd54033ae9
commit b07759bf41
2 changed files with 6 additions and 2 deletions
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4
drivers/gpu/drm/radeon/evergreen.c
View File

@ -39,7 +39,7 @@
static void evergreen_gpu_init(struct radeon_device *rdev);
void evergreen_fini(struct radeon_device *rdev);
static void evergreen_pcie_gen2_enable(struct radeon_device *rdev);
void evergreen_pcie_gen2_enable(struct radeon_device *rdev);
void evergreen_fix_pci_max_read_req_size(struct radeon_device *rdev)
{
@ -3317,7 +3317,7 @@ void evergreen_fini(struct radeon_device *rdev)
rdev->bios = NULL;
}
static void evergreen_pcie_gen2_enable(struct radeon_device *rdev)
void evergreen_pcie_gen2_enable(struct radeon_device *rdev)
{
u32 link_width_cntl, speed_cntl;

4
drivers/gpu/drm/radeon/ni.c
View File

@ -40,6 +40,7 @@ extern void evergreen_mc_program(struct radeon_device *rdev);
extern void evergreen_irq_suspend(struct radeon_device *rdev);
extern int evergreen_mc_init(struct radeon_device *rdev);
extern void evergreen_fix_pci_max_read_req_size(struct radeon_device *rdev);
extern void evergreen_pcie_gen2_enable(struct radeon_device *rdev);
#define EVERGREEN_PFP_UCODE_SIZE 1120
#define EVERGREEN_PM4_UCODE_SIZE 1376
@ -1376,6 +1377,9 @@ static int cayman_startup(struct radeon_device *rdev)
{
int r;
/* enable pcie gen2 link */
evergreen_pcie_gen2_enable(rdev);
if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw || !rdev->mc_fw) {
r = ni_init_microcode(rdev);
if (r) {