diff options
author | Alex Deucher <alexdeucher@gmail.com> | 2010-04-29 00:22:43 -0400 |
---|---|---|
committer | Dave Airlie <airlied@redhat.com> | 2010-05-18 18:21:35 +1000 |
commit | 539d24181753e40174746d576d415bfb56131975 (patch) | |
tree | 0aead71d6217f1e58a9a021c4c37131e930b6f6c /drivers/gpu/drm | |
parent | 68adac5e49436992e9c999fbae879d9ac5b72d4e (diff) | |
download | linux-539d24181753e40174746d576d415bfb56131975.tar.bz2 |
drm/radeon/kms: more pm fixes
- disable gui idle interrupt use
Seems to hang some r5xx chips
- move vbl range check into
existing vbl check function in
radeon_pm.c
- disable crtc mc acccess for the
whole reclocking process
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers/gpu/drm')
-rw-r--r-- | drivers/gpu/drm/radeon/evergreen_reg.h | 2 | ||||
-rw-r--r-- | drivers/gpu/drm/radeon/r100.c | 6 | ||||
-rw-r--r-- | drivers/gpu/drm/radeon/r600.c | 35 | ||||
-rw-r--r-- | drivers/gpu/drm/radeon/radeon_pm.c | 65 |
4 files changed, 45 insertions, 63 deletions
diff --git a/drivers/gpu/drm/radeon/evergreen_reg.h b/drivers/gpu/drm/radeon/evergreen_reg.h index 93aab2ebd9d0..af86af836f13 100644 --- a/drivers/gpu/drm/radeon/evergreen_reg.h +++ b/drivers/gpu/drm/radeon/evergreen_reg.h @@ -164,10 +164,12 @@ #define EVERGREEN_CRTC5_REGISTER_OFFSET (0x129f0 - 0x6df0) /* CRTC blocks at 0x6df0, 0x79f0, 0x105f0, 0x111f0, 0x11df0, 0x129f0 */ +#define EVERGREEN_CRTC_V_BLANK_START_END 0x6e34 #define EVERGREEN_CRTC_CONTROL 0x6e70 # define EVERGREEN_CRTC_MASTER_EN (1 << 0) # define EVERGREEN_CRTC_DISP_READ_REQUEST_DISABLE (1 << 24) #define EVERGREEN_CRTC_STATUS 0x6e8c +#define EVERGREEN_CRTC_STATUS_POSITION 0x6e90 #define EVERGREEN_CRTC_UPDATE_LOCK 0x6ed4 #define EVERGREEN_DC_GPIO_HPD_MASK 0x64b0 diff --git a/drivers/gpu/drm/radeon/r100.c b/drivers/gpu/drm/radeon/r100.c index a5f11c300f6a..493b9b48da30 100644 --- a/drivers/gpu/drm/radeon/r100.c +++ b/drivers/gpu/drm/radeon/r100.c @@ -178,14 +178,12 @@ void r100_set_power_state(struct radeon_device *rdev, bool static_switch) rdev->pm.current_sclk = sclk; DRM_INFO("Setting: e: %d\n", sclk); } -#if 0 /* set memory clock */ if (rdev->asic->set_memory_clock && (mclk != rdev->pm.current_mclk)) { radeon_set_memory_clock(rdev, mclk); rdev->pm.current_mclk = mclk; DRM_INFO("Setting: m: %d\n", mclk); } -#endif radeon_pm_finish(rdev); } else { radeon_sync_with_vblank(rdev); @@ -193,6 +191,7 @@ void r100_set_power_state(struct radeon_device *rdev, bool static_switch) if (!radeon_pm_in_vbl(rdev)) return; + radeon_pm_prepare(rdev); /* set engine clock */ if (sclk != rdev->pm.current_sclk) { radeon_pm_debug_check_in_vbl(rdev, false); @@ -205,13 +204,12 @@ void r100_set_power_state(struct radeon_device *rdev, bool static_switch) /* set memory clock */ if (rdev->asic->set_memory_clock && (mclk != rdev->pm.current_mclk)) { radeon_pm_debug_check_in_vbl(rdev, false); - radeon_pm_prepare(rdev); radeon_set_memory_clock(rdev, mclk); - radeon_pm_finish(rdev); radeon_pm_debug_check_in_vbl(rdev, true); rdev->pm.current_mclk = mclk; DRM_INFO("Setting: m: %d\n", mclk); } + radeon_pm_finish(rdev); } rdev->pm.current_power_state_index = rdev->pm.requested_power_state_index; diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c index d3a79e0a9125..75c825cb8790 100644 --- a/drivers/gpu/drm/radeon/r600.c +++ b/drivers/gpu/drm/radeon/r600.c @@ -256,7 +256,6 @@ void r600_set_power_state(struct radeon_device *rdev, bool static_switch) return; if (radeon_gui_idle(rdev)) { - sclk = rdev->pm.power_state[rdev->pm.requested_power_state_index]. clock_info[rdev->pm.requested_clock_mode_index].sclk; if (sclk > rdev->clock.default_sclk) @@ -271,52 +270,27 @@ void r600_set_power_state(struct radeon_device *rdev, bool static_switch) radeon_pm_misc(rdev); if (static_switch) { - + radeon_pm_prepare(rdev); /* set engine clock */ if (sclk != rdev->pm.current_sclk) { radeon_set_engine_clock(rdev, sclk); rdev->pm.current_sclk = sclk; DRM_INFO("Setting: e: %d\n", sclk); } - /* set memory clock */ if (rdev->asic->set_memory_clock && (mclk != rdev->pm.current_mclk)) { - radeon_pm_prepare(rdev); radeon_set_memory_clock(rdev, mclk); - radeon_pm_finish(rdev); rdev->pm.current_mclk = mclk; DRM_INFO("Setting: m: %d\n", mclk); } - + radeon_pm_finish(rdev); } else { - u32 position; - u32 vbl; - radeon_sync_with_vblank(rdev); if (!radeon_pm_in_vbl(rdev)) return; - if (rdev->pm.active_crtcs & (1 << 0)) { - vbl = RREG32(AVIVO_D1CRTC_V_BLANK_START_END); - position = RREG32(AVIVO_D1CRTC_STATUS_POSITION); - position &= 0xfff; - vbl &= 0xfff; - - if (position < vbl && position > 1) - return; - } - - if (rdev->pm.active_crtcs & (1 << 1)) { - vbl = RREG32(AVIVO_D2CRTC_V_BLANK_START_END); - position = RREG32(AVIVO_D2CRTC_STATUS_POSITION); - position &= 0xfff; - vbl &= 0xfff; - - if (position < vbl && position > 1) - return; - } - + radeon_pm_prepare(rdev); if (sclk != rdev->pm.current_sclk) { radeon_pm_debug_check_in_vbl(rdev, false); radeon_set_engine_clock(rdev, sclk); @@ -328,13 +302,12 @@ void r600_set_power_state(struct radeon_device *rdev, bool static_switch) /* set memory clock */ if (rdev->asic->set_memory_clock && (mclk != rdev->pm.current_mclk)) { radeon_pm_debug_check_in_vbl(rdev, false); - radeon_pm_prepare(rdev); radeon_set_memory_clock(rdev, mclk); - radeon_pm_finish(rdev); radeon_pm_debug_check_in_vbl(rdev, true); rdev->pm.current_mclk = mclk; DRM_INFO("Setting: m: %d\n", mclk); } + radeon_pm_finish(rdev); } rdev->pm.current_power_state_index = rdev->pm.requested_power_state_index; diff --git a/drivers/gpu/drm/radeon/radeon_pm.c b/drivers/gpu/drm/radeon/radeon_pm.c index 88163e043fcf..2eb675e78440 100644 --- a/drivers/gpu/drm/radeon/radeon_pm.c +++ b/drivers/gpu/drm/radeon/radeon_pm.c @@ -64,7 +64,7 @@ static void radeon_pm_set_clocks(struct radeon_device *rdev, int static_switch) mutex_lock(&rdev->ddev->struct_mutex); mutex_lock(&rdev->vram_mutex); mutex_lock(&rdev->cp.mutex); - +#if 0 /* wait for GPU idle */ rdev->pm.gui_idle = false; rdev->irq.gui_idle = true; @@ -74,7 +74,7 @@ static void radeon_pm_set_clocks(struct radeon_device *rdev, int static_switch) msecs_to_jiffies(RADEON_WAIT_IDLE_TIMEOUT)); rdev->irq.gui_idle = false; radeon_irq_set(rdev); - +#endif radeon_unmap_vram_bos(rdev); if (!static_switch) { @@ -85,7 +85,7 @@ static void radeon_pm_set_clocks(struct radeon_device *rdev, int static_switch) } } } - + radeon_set_power_state(rdev, static_switch); if (!static_switch) { @@ -389,51 +389,57 @@ void radeon_pm_compute_clocks(struct radeon_device *rdev) bool radeon_pm_in_vbl(struct radeon_device *rdev) { - u32 stat_crtc = 0; + u32 stat_crtc = 0, vbl = 0, position = 0; bool in_vbl = true; if (ASIC_IS_DCE4(rdev)) { if (rdev->pm.active_crtcs & (1 << 0)) { - stat_crtc = RREG32(EVERGREEN_CRTC_STATUS + EVERGREEN_CRTC0_REGISTER_OFFSET); - if (!(stat_crtc & 1)) - in_vbl = false; + vbl = RREG32(EVERGREEN_CRTC_V_BLANK_START_END + + EVERGREEN_CRTC0_REGISTER_OFFSET) & 0xfff; + position = RREG32(EVERGREEN_CRTC_STATUS_POSITION + + EVERGREEN_CRTC0_REGISTER_OFFSET) & 0xfff; } if (rdev->pm.active_crtcs & (1 << 1)) { - stat_crtc = RREG32(EVERGREEN_CRTC_STATUS + EVERGREEN_CRTC1_REGISTER_OFFSET); - if (!(stat_crtc & 1)) - in_vbl = false; + vbl = RREG32(EVERGREEN_CRTC_V_BLANK_START_END + + EVERGREEN_CRTC1_REGISTER_OFFSET) & 0xfff; + position = RREG32(EVERGREEN_CRTC_STATUS_POSITION + + EVERGREEN_CRTC1_REGISTER_OFFSET) & 0xfff; } if (rdev->pm.active_crtcs & (1 << 2)) { - stat_crtc = RREG32(EVERGREEN_CRTC_STATUS + EVERGREEN_CRTC2_REGISTER_OFFSET); - if (!(stat_crtc & 1)) - in_vbl = false; + vbl = RREG32(EVERGREEN_CRTC_V_BLANK_START_END + + EVERGREEN_CRTC2_REGISTER_OFFSET) & 0xfff; + position = RREG32(EVERGREEN_CRTC_STATUS_POSITION + + EVERGREEN_CRTC2_REGISTER_OFFSET) & 0xfff; } if (rdev->pm.active_crtcs & (1 << 3)) { - stat_crtc = RREG32(EVERGREEN_CRTC_STATUS + EVERGREEN_CRTC3_REGISTER_OFFSET); - if (!(stat_crtc & 1)) - in_vbl = false; + vbl = RREG32(EVERGREEN_CRTC_V_BLANK_START_END + + EVERGREEN_CRTC3_REGISTER_OFFSET) & 0xfff; + position = RREG32(EVERGREEN_CRTC_STATUS_POSITION + + EVERGREEN_CRTC3_REGISTER_OFFSET) & 0xfff; } if (rdev->pm.active_crtcs & (1 << 4)) { - stat_crtc = RREG32(EVERGREEN_CRTC_STATUS + EVERGREEN_CRTC4_REGISTER_OFFSET); - if (!(stat_crtc & 1)) - in_vbl = false; + vbl = RREG32(EVERGREEN_CRTC_V_BLANK_START_END + + EVERGREEN_CRTC4_REGISTER_OFFSET) & 0xfff; + position = RREG32(EVERGREEN_CRTC_STATUS_POSITION + + EVERGREEN_CRTC4_REGISTER_OFFSET) & 0xfff; } if (rdev->pm.active_crtcs & (1 << 5)) { - stat_crtc = RREG32(EVERGREEN_CRTC_STATUS + EVERGREEN_CRTC5_REGISTER_OFFSET); - if (!(stat_crtc & 1)) - in_vbl = false; + vbl = RREG32(EVERGREEN_CRTC_V_BLANK_START_END + + EVERGREEN_CRTC5_REGISTER_OFFSET) & 0xfff; + position = RREG32(EVERGREEN_CRTC_STATUS_POSITION + + EVERGREEN_CRTC5_REGISTER_OFFSET) & 0xfff; } } else if (ASIC_IS_AVIVO(rdev)) { if (rdev->pm.active_crtcs & (1 << 0)) { - stat_crtc = RREG32(D1CRTC_STATUS); - if (!(stat_crtc & 1)) - in_vbl = false; + vbl = RREG32(AVIVO_D1CRTC_V_BLANK_START_END) & 0xfff; + position = RREG32(AVIVO_D1CRTC_STATUS_POSITION) & 0xfff; } if (rdev->pm.active_crtcs & (1 << 1)) { - stat_crtc = RREG32(D2CRTC_STATUS); - if (!(stat_crtc & 1)) - in_vbl = false; + vbl = RREG32(AVIVO_D2CRTC_V_BLANK_START_END) & 0xfff; + position = RREG32(AVIVO_D2CRTC_STATUS_POSITION) & 0xfff; } + if (position < vbl && position > 1) + in_vbl = false; } else { if (rdev->pm.active_crtcs & (1 << 0)) { stat_crtc = RREG32(RADEON_CRTC_STATUS); @@ -447,6 +453,9 @@ bool radeon_pm_in_vbl(struct radeon_device *rdev) } } + if (position < vbl && position > 1) + in_vbl = false; + return in_vbl; } |