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drm/radeon: properly set up the RLC on ON/LN/TN (v3)

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This is required for certain advanced functionality.

v2: save/restore list takes dword offsets
v3: rebase on gpu reset changes

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alex Deucher
2013-04-12 13:52:52 -04:00
parent 138e4e16f0
commit 2948f5e6c2
9 changed files with 2721 additions and 43 deletions
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43
drivers/gpu/drm/radeon/r600.c
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@@ -97,6 +97,7 @@ static void r600_gpu_init(struct radeon_device *rdev);
void r600_fini(struct radeon_device *rdev);
void r600_irq_disable(struct radeon_device *rdev);
static void r600_pcie_gen2_enable(struct radeon_device *rdev);
extern int evergreen_rlc_resume(struct radeon_device *rdev);
/**
* r600_get_xclk - get the xclk
@@ -3778,7 +3779,7 @@ static void r600_rlc_start(struct radeon_device *rdev)
WREG32(RLC_CNTL, RLC_ENABLE);
}
static int r600_rlc_init(struct radeon_device *rdev)
static int r600_rlc_resume(struct radeon_device *rdev)
{
u32 i;
const __be32 *fw_data;
@@ -3790,39 +3791,16 @@ static int r600_rlc_init(struct radeon_device *rdev)
WREG32(RLC_HB_CNTL, 0);
if (rdev->family == CHIP_ARUBA) {
WREG32(TN_RLC_SAVE_AND_RESTORE_BASE, rdev->rlc.save_restore_gpu_addr >> 8);
WREG32(TN_RLC_CLEAR_STATE_RESTORE_BASE, rdev->rlc.clear_state_gpu_addr >> 8);
}
if (rdev->family <= CHIP_CAYMAN) {
WREG32(RLC_HB_BASE, 0);
WREG32(RLC_HB_RPTR, 0);
WREG32(RLC_HB_WPTR, 0);
}
if (rdev->family <= CHIP_CAICOS) {
WREG32(RLC_HB_WPTR_LSB_ADDR, 0);
WREG32(RLC_HB_WPTR_MSB_ADDR, 0);
}
WREG32(RLC_HB_BASE, 0);
WREG32(RLC_HB_RPTR, 0);
WREG32(RLC_HB_WPTR, 0);
WREG32(RLC_HB_WPTR_LSB_ADDR, 0);
WREG32(RLC_HB_WPTR_MSB_ADDR, 0);
WREG32(RLC_MC_CNTL, 0);
WREG32(RLC_UCODE_CNTL, 0);
fw_data = (const __be32 *)rdev->rlc_fw->data;
if (rdev->family >= CHIP_ARUBA) {
for (i = 0; i < ARUBA_RLC_UCODE_SIZE; i++) {
WREG32(RLC_UCODE_ADDR, i);
WREG32(RLC_UCODE_DATA, be32_to_cpup(fw_data++));
}
} else if (rdev->family >= CHIP_CAYMAN) {
for (i = 0; i < CAYMAN_RLC_UCODE_SIZE; i++) {
WREG32(RLC_UCODE_ADDR, i);
WREG32(RLC_UCODE_DATA, be32_to_cpup(fw_data++));
}
} else if (rdev->family >= CHIP_CEDAR) {
for (i = 0; i < EVERGREEN_RLC_UCODE_SIZE; i++) {
WREG32(RLC_UCODE_ADDR, i);
WREG32(RLC_UCODE_DATA, be32_to_cpup(fw_data++));
}
} else if (rdev->family >= CHIP_RV770) {
if (rdev->family >= CHIP_RV770) {
for (i = 0; i < R700_RLC_UCODE_SIZE; i++) {
WREG32(RLC_UCODE_ADDR, i);
WREG32(RLC_UCODE_DATA, be32_to_cpup(fw_data++));
@@ -3936,7 +3914,10 @@ int r600_irq_init(struct radeon_device *rdev)
r600_disable_interrupts(rdev);
/* init rlc */
ret = r600_rlc_init(rdev);
if (rdev->family >= CHIP_CEDAR)
ret = evergreen_rlc_resume(rdev);
else
ret = r600_rlc_resume(rdev);
if (ret) {
r600_ih_ring_fini(rdev);
return ret;