diff options
| author | Alex Deucher <alexander.deucher@amd.com> | 2012-08-30 14:34:30 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2013-05-20 12:09:35 -0400 |
| commit | 5153550ad7e1d8e7344aded830258d5be7292989 (patch) | |
| tree | ea35603276c4f58d384b8c3a8b9c6b42c0f1751a /drivers/gpu/drm/radeon/evergreen.c | |
| parent | 8b02859d771e0f2800b841c4c7eb17f3a7852b88 (diff) | |
drm/radeon: don't touch DCE or VGA regs on Hainan (v3)
Hainan has no display hardware:
- no DCE (crtc, uniphy, dac, etc.)
- no VGA
v2: fix bios fetch
v3: fix interrupts
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Diffstat (limited to 'drivers/gpu/drm/radeon/evergreen.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/evergreen.c | 27 |
1 files changed, 17 insertions, 10 deletions
diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c index 06c261bed28..8f9e2d31b25 100644 --- a/drivers/gpu/drm/radeon/evergreen.c +++ b/drivers/gpu/drm/radeon/evergreen.c @@ -2343,11 +2343,13 @@ void evergreen_mc_stop(struct radeon_device *rdev, struct evergreen_mc_save *sav u32 crtc_enabled, tmp, frame_count, blackout; int i, j; - save->vga_render_control = RREG32(VGA_RENDER_CONTROL); - save->vga_hdp_control = RREG32(VGA_HDP_CONTROL); + if (!ASIC_IS_NODCE(rdev)) { + save->vga_render_control = RREG32(VGA_RENDER_CONTROL); + save->vga_hdp_control = RREG32(VGA_HDP_CONTROL); - /* disable VGA render */ - WREG32(VGA_RENDER_CONTROL, 0); + /* disable VGA render */ + WREG32(VGA_RENDER_CONTROL, 0); + } /* blank the display controllers */ for (i = 0; i < rdev->num_crtc; i++) { crtc_enabled = RREG32(EVERGREEN_CRTC_CONTROL + crtc_offsets[i]) & EVERGREEN_CRTC_MASTER_EN; @@ -2438,8 +2440,11 @@ void evergreen_mc_resume(struct radeon_device *rdev, struct evergreen_mc_save *s WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS + crtc_offsets[i], (u32)rdev->mc.vram_start); } - WREG32(EVERGREEN_VGA_MEMORY_BASE_ADDRESS_HIGH, upper_32_bits(rdev->mc.vram_start)); - WREG32(EVERGREEN_VGA_MEMORY_BASE_ADDRESS, (u32)rdev->mc.vram_start); + + if (!ASIC_IS_NODCE(rdev)) { + WREG32(EVERGREEN_VGA_MEMORY_BASE_ADDRESS_HIGH, upper_32_bits(rdev->mc.vram_start)); + WREG32(EVERGREEN_VGA_MEMORY_BASE_ADDRESS, (u32)rdev->mc.vram_start); + } /* unlock regs and wait for update */ for (i = 0; i < rdev->num_crtc; i++) { @@ -2499,10 +2504,12 @@ void evergreen_mc_resume(struct radeon_device *rdev, struct evergreen_mc_save *s } } } - /* Unlock vga access */ - WREG32(VGA_HDP_CONTROL, save->vga_hdp_control); - mdelay(1); - WREG32(VGA_RENDER_CONTROL, save->vga_render_control); + if (!ASIC_IS_NODCE(rdev)) { + /* Unlock vga access */ + WREG32(VGA_HDP_CONTROL, save->vga_hdp_control); + mdelay(1); + WREG32(VGA_RENDER_CONTROL, save->vga_render_control); + } } void evergreen_mc_program(struct radeon_device *rdev) |