(HAS_PCH_LPT_H(dev_priv) && pch_transcoder == PIPE_A);
}
-static void intel_sanitize_frame_start_delay(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);
- enum transcoder cpu_transcoder = crtc_state->cpu_transcoder;
-
- crtc_state->framestart_delay = 1;
-
- if (DISPLAY_VER(dev_priv) >= 9 ||
- IS_BROADWELL(dev_priv) || IS_HASWELL(dev_priv)) {
- i915_reg_t reg = CHICKEN_TRANS(cpu_transcoder);
- u32 val;
-
- if (transcoder_is_dsi(cpu_transcoder))
- return;
-
- val = intel_de_read(dev_priv, reg);
- val &= ~HSW_FRAME_START_DELAY_MASK;
- val |= HSW_FRAME_START_DELAY(crtc_state->framestart_delay - 1);
- intel_de_write(dev_priv, reg, val);
- } else {
- i915_reg_t reg = PIPECONF(cpu_transcoder);
- u32 val;
-
- val = intel_de_read(dev_priv, reg);
- val &= ~PIPECONF_FRAME_START_DELAY_MASK;
- val |= PIPECONF_FRAME_START_DELAY(crtc_state->framestart_delay - 1);
- intel_de_write(dev_priv, reg, val);
- }
-
- if (!crtc_state->has_pch_encoder)
- return;
-
- if (HAS_PCH_IBX(dev_priv)) {
- i915_reg_t reg = PCH_TRANSCONF(crtc->pipe);
- u32 val;
-
- val = intel_de_read(dev_priv, reg);
- val &= ~TRANS_FRAME_START_DELAY_MASK;
- val |= TRANS_FRAME_START_DELAY(crtc_state->framestart_delay - 1);
- intel_de_write(dev_priv, reg, val);
- } else {
- enum pipe pch_transcoder = intel_crtc_pch_transcoder(crtc);
- i915_reg_t reg = TRANS_CHICKEN2(pch_transcoder);
- u32 val;
-
- val = intel_de_read(dev_priv, reg);
- val &= ~TRANS_CHICKEN2_FRAME_START_DELAY_MASK;
- val |= TRANS_CHICKEN2_FRAME_START_DELAY(crtc_state->framestart_delay - 1);
- intel_de_write(dev_priv, reg, val);
- }
-}
-
static void intel_sanitize_crtc(struct intel_crtc *crtc,
struct drm_modeset_acquire_ctx *ctx)
{
if (crtc_state->hw.active) {
struct intel_plane *plane;
- /* Clear any frame start delays used for debugging left by the BIOS */
- intel_sanitize_frame_start_delay(crtc_state);
-
/* Disable everything but the primary plane */
for_each_intel_plane_on_crtc(dev, crtc, plane) {
const struct intel_plane_state *plane_state =