diff options
| author | Xiaolin Zhang <xiaolin.zhang@intel.com> | 2018-06-21 02:33:43 -0400 |
|---|---|---|
| committer | Zhenyu Wang <zhenyuw@linux.intel.com> | 2018-07-01 23:09:59 -0400 |
| commit | a4cae23cc05ccec749c2fc70fa9d8cda7c582319 (patch) | |
| tree | a5f181a394064a3afb9065776c77f843f7e7c225 | |
| parent | 510fe10b6180137773dce9032b51bb82ff946c2d (diff) | |
drm/i915/gvt: changed DDI mode emulation type
changed gvt display transcode DDI mode from DP_SST to
DVI to address below calltrace issue during guest booting
up which is caused by zero dotclock initial value with DP_SST
mode. transcode DVI mode emulation also align with native with DP
connection.
[drm:drm_calc_timestamping_constants]
ERROR crtc 41: Can't calculate constants, dotclock = 0!
WARNING: at drivers/gpu/drm/drm_vblank.c:620
drm_calc_vbltimestamp_from_scanoutpos
Call Trace:
? drm_calc_timestamping_constants+0x144/0x150 [drm]
drm_get_last_vbltimestamp+0x54/0x90 [drm]
drm_reset_vblank_timestamp+0x59/0xd0 [drm]
drm_crtc_vblank_on+0x7b/0xd0 [drm]
intel_modeset_setup_hw_state+0xb67/0xfd0 [i915]
? gen2_read32+0x110/0x110 [i915]
? drm_modeset_lock+0x30/0xa0 [drm]
intel_modeset_init+0x794/0x19d0 [i915]
? intel_setup_gmbus+0x232/0x2e0 [i915]
i915_driver_load+0xb4a/0xf40 [i915]
Signed-off-by: Xiaolin Zhang <xiaolin.zhang@intel.com>
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
| -rw-r--r-- | drivers/gpu/drm/i915/gvt/display.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/gpu/drm/i915/gvt/display.c b/drivers/gpu/drm/i915/gvt/display.c index 6d8180e8d1e2..4b072ade8c38 100644 --- a/drivers/gpu/drm/i915/gvt/display.c +++ b/drivers/gpu/drm/i915/gvt/display.c | |||
| @@ -196,7 +196,7 @@ static void emulate_monitor_status_change(struct intel_vgpu *vgpu) | |||
| 196 | ~(TRANS_DDI_BPC_MASK | TRANS_DDI_MODE_SELECT_MASK | | 196 | ~(TRANS_DDI_BPC_MASK | TRANS_DDI_MODE_SELECT_MASK | |
| 197 | TRANS_DDI_PORT_MASK); | 197 | TRANS_DDI_PORT_MASK); |
| 198 | vgpu_vreg_t(vgpu, TRANS_DDI_FUNC_CTL(TRANSCODER_A)) |= | 198 | vgpu_vreg_t(vgpu, TRANS_DDI_FUNC_CTL(TRANSCODER_A)) |= |
| 199 | (TRANS_DDI_BPC_8 | TRANS_DDI_MODE_SELECT_DP_SST | | 199 | (TRANS_DDI_BPC_8 | TRANS_DDI_MODE_SELECT_DVI | |
| 200 | (PORT_B << TRANS_DDI_PORT_SHIFT) | | 200 | (PORT_B << TRANS_DDI_PORT_SHIFT) | |
| 201 | TRANS_DDI_FUNC_ENABLE); | 201 | TRANS_DDI_FUNC_ENABLE); |
| 202 | if (IS_BROADWELL(dev_priv)) { | 202 | if (IS_BROADWELL(dev_priv)) { |
| @@ -216,7 +216,7 @@ static void emulate_monitor_status_change(struct intel_vgpu *vgpu) | |||
| 216 | ~(TRANS_DDI_BPC_MASK | TRANS_DDI_MODE_SELECT_MASK | | 216 | ~(TRANS_DDI_BPC_MASK | TRANS_DDI_MODE_SELECT_MASK | |
| 217 | TRANS_DDI_PORT_MASK); | 217 | TRANS_DDI_PORT_MASK); |
| 218 | vgpu_vreg_t(vgpu, TRANS_DDI_FUNC_CTL(TRANSCODER_A)) |= | 218 | vgpu_vreg_t(vgpu, TRANS_DDI_FUNC_CTL(TRANSCODER_A)) |= |
| 219 | (TRANS_DDI_BPC_8 | TRANS_DDI_MODE_SELECT_DP_SST | | 219 | (TRANS_DDI_BPC_8 | TRANS_DDI_MODE_SELECT_DVI | |
| 220 | (PORT_C << TRANS_DDI_PORT_SHIFT) | | 220 | (PORT_C << TRANS_DDI_PORT_SHIFT) | |
| 221 | TRANS_DDI_FUNC_ENABLE); | 221 | TRANS_DDI_FUNC_ENABLE); |
| 222 | if (IS_BROADWELL(dev_priv)) { | 222 | if (IS_BROADWELL(dev_priv)) { |
| @@ -236,7 +236,7 @@ static void emulate_monitor_status_change(struct intel_vgpu *vgpu) | |||
| 236 | ~(TRANS_DDI_BPC_MASK | TRANS_DDI_MODE_SELECT_MASK | | 236 | ~(TRANS_DDI_BPC_MASK | TRANS_DDI_MODE_SELECT_MASK | |
| 237 | TRANS_DDI_PORT_MASK); | 237 | TRANS_DDI_PORT_MASK); |
| 238 | vgpu_vreg_t(vgpu, TRANS_DDI_FUNC_CTL(TRANSCODER_A)) |= | 238 | vgpu_vreg_t(vgpu, TRANS_DDI_FUNC_CTL(TRANSCODER_A)) |= |
| 239 | (TRANS_DDI_BPC_8 | TRANS_DDI_MODE_SELECT_DP_SST | | 239 | (TRANS_DDI_BPC_8 | TRANS_DDI_MODE_SELECT_DVI | |
| 240 | (PORT_D << TRANS_DDI_PORT_SHIFT) | | 240 | (PORT_D << TRANS_DDI_PORT_SHIFT) | |
| 241 | TRANS_DDI_FUNC_ENABLE); | 241 | TRANS_DDI_FUNC_ENABLE); |
| 242 | if (IS_BROADWELL(dev_priv)) { | 242 | if (IS_BROADWELL(dev_priv)) { |