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path: root/drivers/gpu/drm/radeon/evergreen.c
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Diffstat (limited to 'drivers/gpu/drm/radeon/evergreen.c')
-rw-r--r--drivers/gpu/drm/radeon/evergreen.c99
1 files changed, 78 insertions, 21 deletions
diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c
index 9702e55e924..f2b9e21ce4d 100644
--- a/drivers/gpu/drm/radeon/evergreen.c
+++ b/drivers/gpu/drm/radeon/evergreen.c
@@ -146,6 +146,7 @@ extern u32 si_get_csb_size(struct radeon_device *rdev);
extern void si_get_csb_buffer(struct radeon_device *rdev, volatile u32 *buffer);
extern u32 cik_get_csb_size(struct radeon_device *rdev);
extern void cik_get_csb_buffer(struct radeon_device *rdev, volatile u32 *buffer);
+extern void rv770_set_clk_bypass_mode(struct radeon_device *rdev);
static const u32 evergreen_golden_registers[] =
{
@@ -3867,6 +3868,48 @@ static void evergreen_gpu_soft_reset(struct radeon_device *rdev, u32 reset_mask)
evergreen_print_gpu_status_regs(rdev);
}
+void evergreen_gpu_pci_config_reset(struct radeon_device *rdev)
+{
+ struct evergreen_mc_save save;
+ u32 tmp, i;
+
+ dev_info(rdev->dev, "GPU pci config reset\n");
+
+ /* disable dpm? */
+
+ /* Disable CP parsing/prefetching */
+ WREG32(CP_ME_CNTL, CP_ME_HALT | CP_PFP_HALT);
+ udelay(50);
+ /* Disable DMA */
+ tmp = RREG32(DMA_RB_CNTL);
+ tmp &= ~DMA_RB_ENABLE;
+ WREG32(DMA_RB_CNTL, tmp);
+ /* XXX other engines? */
+
+ /* halt the rlc */
+ r600_rlc_stop(rdev);
+
+ udelay(50);
+
+ /* set mclk/sclk to bypass */
+ rv770_set_clk_bypass_mode(rdev);
+ /* disable BM */
+ pci_clear_master(rdev->pdev);
+ /* disable mem access */
+ evergreen_mc_stop(rdev, &save);
+ if (evergreen_mc_wait_for_idle(rdev)) {
+ dev_warn(rdev->dev, "Wait for MC idle timed out !\n");
+ }
+ /* reset */
+ radeon_pci_config_reset(rdev);
+ /* wait for asic to come out of reset */
+ for (i = 0; i < rdev->usec_timeout; i++) {
+ if (RREG32(CONFIG_MEMSIZE) != 0xffffffff)
+ break;
+ udelay(1);
+ }
+}
+
int evergreen_asic_reset(struct radeon_device *rdev)
{
u32 reset_mask;
@@ -3876,10 +3919,17 @@ int evergreen_asic_reset(struct radeon_device *rdev)
if (reset_mask)
r600_set_bios_scratch_engine_hung(rdev, true);
+ /* try soft reset */
evergreen_gpu_soft_reset(rdev, reset_mask);
reset_mask = evergreen_gpu_check_soft_reset(rdev);
+ /* try pci config reset */
+ if (reset_mask && radeon_hard_reset)
+ evergreen_gpu_pci_config_reset(rdev);
+
+ reset_mask = evergreen_gpu_check_soft_reset(rdev);
+
if (!reset_mask)
r600_set_bios_scratch_engine_hung(rdev, false);
@@ -4298,8 +4348,8 @@ void evergreen_disable_interrupt_state(struct radeon_device *rdev)
WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC5_REGISTER_OFFSET, 0);
}
- /* only one DAC on DCE6 */
- if (!ASIC_IS_DCE6(rdev))
+ /* only one DAC on DCE5 */
+ if (!ASIC_IS_DCE5(rdev))
WREG32(DACA_AUTODETECT_INT_CONTROL, 0);
WREG32(DACB_AUTODETECT_INT_CONTROL, 0);
@@ -5109,27 +5159,12 @@ static int evergreen_startup(struct radeon_device *rdev)
evergreen_mc_program(rdev);
- if (ASIC_IS_DCE5(rdev)) {
- if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw || !rdev->mc_fw) {
- r = ni_init_microcode(rdev);
- if (r) {
- DRM_ERROR("Failed to load firmware!\n");
- return r;
- }
- }
+ if (ASIC_IS_DCE5(rdev) && !rdev->pm.dpm_enabled) {
r = ni_mc_load_microcode(rdev);
if (r) {
DRM_ERROR("Failed to load MC firmware!\n");
return r;
}
- } else {
- if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw) {
- r = r600_init_microcode(rdev);
- if (r) {
- DRM_ERROR("Failed to load firmware!\n");
- return r;
- }
- }
}
if (rdev->flags & RADEON_IS_AGP) {
@@ -5199,14 +5234,12 @@ static int evergreen_startup(struct radeon_device *rdev)
ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
r = radeon_ring_init(rdev, ring, ring->ring_size, RADEON_WB_CP_RPTR_OFFSET,
- R600_CP_RB_RPTR, R600_CP_RB_WPTR,
RADEON_CP_PACKET2);
if (r)
return r;
ring = &rdev->ring[R600_RING_TYPE_DMA_INDEX];
r = radeon_ring_init(rdev, ring, ring->ring_size, R600_WB_DMA_RPTR_OFFSET,
- DMA_RB_RPTR, DMA_RB_WPTR,
DMA_PACKET(DMA_PACKET_NOP, 0, 0));
if (r)
return r;
@@ -5224,7 +5257,6 @@ static int evergreen_startup(struct radeon_device *rdev)
ring = &rdev->ring[R600_RING_TYPE_UVD_INDEX];
if (ring->ring_size) {
r = radeon_ring_init(rdev, ring, ring->ring_size, 0,
- UVD_RBC_RB_RPTR, UVD_RBC_RB_WPTR,
RADEON_CP_PACKET2);
if (!r)
r = uvd_v1_0_init(rdev);
@@ -5267,6 +5299,8 @@ int evergreen_resume(struct radeon_device *rdev)
/* init golden registers */
evergreen_init_golden_registers(rdev);
+ radeon_pm_resume(rdev);
+
rdev->accel_working = true;
r = evergreen_startup(rdev);
if (r) {
@@ -5281,6 +5315,7 @@ int evergreen_resume(struct radeon_device *rdev)
int evergreen_suspend(struct radeon_device *rdev)
{
+ radeon_pm_suspend(rdev);
r600_audio_fini(rdev);
uvd_v1_0_fini(rdev);
radeon_uvd_suspend(rdev);
@@ -5357,6 +5392,27 @@ int evergreen_init(struct radeon_device *rdev)
if (r)
return r;
+ if (ASIC_IS_DCE5(rdev)) {
+ if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw || !rdev->mc_fw) {
+ r = ni_init_microcode(rdev);
+ if (r) {
+ DRM_ERROR("Failed to load firmware!\n");
+ return r;
+ }
+ }
+ } else {
+ if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw) {
+ r = r600_init_microcode(rdev);
+ if (r) {
+ DRM_ERROR("Failed to load firmware!\n");
+ return r;
+ }
+ }
+ }
+
+ /* Initialize power management */
+ radeon_pm_init(rdev);
+
rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ring_obj = NULL;
r600_ring_init(rdev, &rdev->ring[RADEON_RING_TYPE_GFX_INDEX], 1024 * 1024);
@@ -5409,6 +5465,7 @@ int evergreen_init(struct radeon_device *rdev)
void evergreen_fini(struct radeon_device *rdev)
{
+ radeon_pm_fini(rdev);
r600_audio_fini(rdev);
r700_cp_fini(rdev);
r600_dma_fini(rdev);