MIPI DSI transcoder cannot be in video mode to support any of the
display C states.

Bspec: 49195 (For DC*co DSI transcoders cannot be in video mode)
Bspec: 49193 (Hardware does not support DC5 or DC6 with MIPI DSI enabled)
Bspec: 49188 (desc of DSI_DCSTATE_CTL talks about cmd mode PM control

v2: Align to the power domain ordering (Jani)
    Add bspec references (Imre)

Signed-off-by: Vandita Kulkarni <vandita.kulka...@intel.com>
---
 drivers/gpu/drm/i915/display/intel_display_power.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/gpu/drm/i915/display/intel_display_power.c 
b/drivers/gpu/drm/i915/display/intel_display_power.c
index d88da0d0f05a..b989ddd3d023 100644
--- a/drivers/gpu/drm/i915/display/intel_display_power.c
+++ b/drivers/gpu/drm/i915/display/intel_display_power.c
@@ -3106,6 +3106,7 @@ intel_display_power_put_mask_in_set(struct 
drm_i915_private *i915,
        BIT_ULL(POWER_DOMAIN_MODESET) |                 \
        BIT_ULL(POWER_DOMAIN_AUX_A) |                   \
        BIT_ULL(POWER_DOMAIN_AUX_B) |                   \
+       BIT_ULL(POWER_DOMAIN_PORT_DSI) |                \
        BIT_ULL(POWER_DOMAIN_INIT))
 
 #define XELPD_AUX_IO_D_XELPD_POWER_DOMAINS     
BIT_ULL(POWER_DOMAIN_AUX_D_XELPD)
-- 
2.32.0

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