diff options
Diffstat (limited to 'drivers/gpu/drm')
| -rw-r--r-- | drivers/gpu/drm/i915/display/icl_dsi.c | 26 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_dsi.h | 1 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_sprite.c | 9 |
3 files changed, 36 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/display/icl_dsi.c b/drivers/gpu/drm/i915/display/icl_dsi.c index 2789020e20db..fe946a2e2082 100644 --- a/drivers/gpu/drm/i915/display/icl_dsi.c +++ b/drivers/gpu/drm/i915/display/icl_dsi.c @@ -205,6 +205,32 @@ static int dsi_send_pkt_payld(struct intel_dsi_host *host, return 0; } +void icl_dsi_frame_update(struct intel_crtc_state *crtc_state) +{ + struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc); + struct drm_i915_private *dev_priv = to_i915(crtc->base.dev); + u32 tmp, mode_flags; + enum port port; + + mode_flags = crtc_state->mode_flags; + + /* + * case 1 also covers dual link + * In case of dual link, frame update should be set on + * DSI_0 + */ + if (mode_flags & I915_MODE_FLAG_DSI_USE_TE0) + port = PORT_A; + else if (mode_flags & I915_MODE_FLAG_DSI_USE_TE1) + port = PORT_B; + else + return; + + tmp = intel_de_read(dev_priv, DSI_CMD_FRMCTL(port)); + tmp |= DSI_FRAME_UPDATE_REQUEST; + intel_de_write(dev_priv, DSI_CMD_FRMCTL(port), tmp); +} + static void dsi_program_swing_and_deemphasis(struct intel_encoder *encoder) { struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); diff --git a/drivers/gpu/drm/i915/display/intel_dsi.h b/drivers/gpu/drm/i915/display/intel_dsi.h index 19f78a4022d3..625f2f1ae061 100644 --- a/drivers/gpu/drm/i915/display/intel_dsi.h +++ b/drivers/gpu/drm/i915/display/intel_dsi.h @@ -167,6 +167,7 @@ static inline u16 intel_dsi_encoder_ports(struct intel_encoder *encoder) /* icl_dsi.c */ void icl_dsi_init(struct drm_i915_private *dev_priv); +void icl_dsi_frame_update(struct intel_crtc_state *crtc_state); /* intel_dsi.c */ int intel_dsi_bitrate(const struct intel_dsi *intel_dsi); diff --git a/drivers/gpu/drm/i915/display/intel_sprite.c b/drivers/gpu/drm/i915/display/intel_sprite.c index d4b8ba7e8015..2da11ab6343c 100644 --- a/drivers/gpu/drm/i915/display/intel_sprite.c +++ b/drivers/gpu/drm/i915/display/intel_sprite.c @@ -47,6 +47,7 @@ #include "intel_frontbuffer.h" #include "intel_pm.h" #include "intel_psr.h" +#include "intel_dsi.h" #include "intel_sprite.h" int intel_usecs_to_scanlines(const struct drm_display_mode *adjusted_mode, @@ -208,6 +209,14 @@ void intel_pipe_update_end(struct intel_crtc_state *new_crtc_state) trace_intel_pipe_update_end(crtc, end_vbl_count, scanline_end); + /* + * Incase of mipi dsi command mode, we need to set frame update + * request for every commit. + */ + if (INTEL_GEN(dev_priv) >= 11 && + intel_crtc_has_type(new_crtc_state, INTEL_OUTPUT_DSI)) + icl_dsi_frame_update(new_crtc_state); + /* We're still in the vblank-evade critical section, this can't race. * Would be slightly nice to just grab the vblank count and arm the * event outside of the critical section - the spinlock might spin for a |