[PATCH] drm/i915/gvt: Fix display port type issue
Zhenyu Wang
zhenyuw at linux.intel.com
Tue Mar 17 10:13:55 UTC 2020
On 2020.03.17 17:36:15 +0800, Tina Zhang wrote:
> According to the vbt provided by GVT-g, the display output type should
> be display port, instead of DVI. Currently, GVT-g display model only
> supports display port emulation, not DVI or HDMI. This patch fixes this
> by telling guest i915 the right output type supported by GVT-g.
>
> v3: make port_b and port_c use dp type connector too. (Zhenyu)
> v2: refine the commit message. (Zhenyu)
>
Good to me.
Acked-by: Zhenyu Wang <zhenyuw at linux.intel.com>
> Signed-off-by: Tina Zhang <tina.zhang at intel.com>
> ---
> drivers/gpu/drm/i915/gvt/display.c | 6 +++---
> 1 file changed, 3 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/gvt/display.c b/drivers/gpu/drm/i915/gvt/display.c
> index 6e5c9885d9fe..a83df2f84eb9 100644
> --- a/drivers/gpu/drm/i915/gvt/display.c
> +++ b/drivers/gpu/drm/i915/gvt/display.c
> @@ -221,7 +221,7 @@ static void emulate_monitor_status_change(struct intel_vgpu *vgpu)
> ~(TRANS_DDI_BPC_MASK | TRANS_DDI_MODE_SELECT_MASK |
> TRANS_DDI_PORT_MASK);
> vgpu_vreg_t(vgpu, TRANS_DDI_FUNC_CTL(TRANSCODER_A)) |=
> - (TRANS_DDI_BPC_8 | TRANS_DDI_MODE_SELECT_DVI |
> + (TRANS_DDI_BPC_8 | TRANS_DDI_MODE_SELECT_DP_SST |
> (PORT_B << TRANS_DDI_PORT_SHIFT) |
> TRANS_DDI_FUNC_ENABLE);
> if (IS_BROADWELL(dev_priv)) {
> @@ -241,7 +241,7 @@ static void emulate_monitor_status_change(struct intel_vgpu *vgpu)
> ~(TRANS_DDI_BPC_MASK | TRANS_DDI_MODE_SELECT_MASK |
> TRANS_DDI_PORT_MASK);
> vgpu_vreg_t(vgpu, TRANS_DDI_FUNC_CTL(TRANSCODER_A)) |=
> - (TRANS_DDI_BPC_8 | TRANS_DDI_MODE_SELECT_DVI |
> + (TRANS_DDI_BPC_8 | TRANS_DDI_MODE_SELECT_DP_SST |
> (PORT_C << TRANS_DDI_PORT_SHIFT) |
> TRANS_DDI_FUNC_ENABLE);
> if (IS_BROADWELL(dev_priv)) {
> @@ -261,7 +261,7 @@ static void emulate_monitor_status_change(struct intel_vgpu *vgpu)
> ~(TRANS_DDI_BPC_MASK | TRANS_DDI_MODE_SELECT_MASK |
> TRANS_DDI_PORT_MASK);
> vgpu_vreg_t(vgpu, TRANS_DDI_FUNC_CTL(TRANSCODER_A)) |=
> - (TRANS_DDI_BPC_8 | TRANS_DDI_MODE_SELECT_DVI |
> + (TRANS_DDI_BPC_8 | TRANS_DDI_MODE_SELECT_DP_SST |
> (PORT_D << TRANS_DDI_PORT_SHIFT) |
> TRANS_DDI_FUNC_ENABLE);
> if (IS_BROADWELL(dev_priv)) {
> --
> 2.17.1
>
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> intel-gvt-dev at lists.freedesktop.org
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--
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