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author | José Roberto de Souza <jose.souza@intel.com> | 2022-09-07 11:15:43 +0300 |
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committer | Radhakrishna Sripada <radhakrishna.sripada@intel.com> | 2022-10-04 13:21:00 -0700 |
commit | 47d4ae2192cb44ccf845c5cca79f9cb6d8394f09 (patch) | |
tree | da1735cbe773723d376c9a92c8628309e005c2af /drivers/gpu/drm/i915/display/intel_psr.c | |
parent | 22d9a2554dfa41301071c7ebb7002efa306a9290 (diff) | |
download | linux-47d4ae2192cb44ccf845c5cca79f9cb6d8394f09.tar.gz linux-47d4ae2192cb44ccf845c5cca79f9cb6d8394f09.tar.bz2 linux-47d4ae2192cb44ccf845c5cca79f9cb6d8394f09.zip |
drm/i915/mtl: Extend PSR support
Meteorlake and display 14 platform don't have any PSR differences
when comparing to Alderlake-P display, so it was only necessary to
extend some checks to properly program hardware.
BSpec: 55229, 49196
Cc: Mika Kahola <mika.kahola@intel.com>
Signed-off-by: José Roberto de Souza <jose.souza@intel.com>
Signed-off-by: Jouni Högander <jouni.hogander@intel.com>
Reviewed-by: Stanislav Lisovskiy <stanislav.lisovskiy@intel.com>
Signed-off-by: Radhakrishna Sripada <radhakrishna.sripada@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220907081543.92268-1-mika.kahola@intel.com
Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_psr.c')
-rw-r--r-- | drivers/gpu/drm/i915/display/intel_psr.c | 31 |
1 files changed, 20 insertions, 11 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_psr.c b/drivers/gpu/drm/i915/display/intel_psr.c index d4cce627d7a8..16cf17b1e9d9 100644 --- a/drivers/gpu/drm/i915/display/intel_psr.c +++ b/drivers/gpu/drm/i915/display/intel_psr.c @@ -533,7 +533,7 @@ static void hsw_activate_psr2(struct intel_dp *intel_dp) val |= psr_compute_idle_frames(intel_dp) << EDP_PSR2_IDLE_FRAME_SHIFT; - if (!IS_ALDERLAKE_P(dev_priv)) + if (DISPLAY_VER(dev_priv) <= 13 && !IS_ALDERLAKE_P(dev_priv)) val |= EDP_SU_TRACK_ENABLE; if (DISPLAY_VER(dev_priv) >= 10 && DISPLAY_VER(dev_priv) <= 12) @@ -616,7 +616,7 @@ static void hsw_activate_psr2(struct intel_dp *intel_dp) static bool transcoder_has_psr2(struct drm_i915_private *dev_priv, enum transcoder trans) { - if (IS_ALDERLAKE_P(dev_priv)) + if (IS_ALDERLAKE_P(dev_priv) || DISPLAY_VER(dev_priv) >= 14) return trans == TRANSCODER_A || trans == TRANSCODER_B; else if (DISPLAY_VER(dev_priv) >= 12) return trans == TRANSCODER_A; @@ -696,7 +696,7 @@ dc3co_is_pipe_port_compatible(struct intel_dp *intel_dp, struct drm_i915_private *dev_priv = dp_to_i915(intel_dp); enum port port = dig_port->base.port; - if (IS_ALDERLAKE_P(dev_priv)) + if (IS_ALDERLAKE_P(dev_priv) || DISPLAY_VER(dev_priv) >= 14) return pipe <= PIPE_B && port <= PORT_B; else return pipe == PIPE_A && port == PORT_A; @@ -795,11 +795,11 @@ static bool psr2_granularity_check(struct intel_dp *intel_dp, return intel_dp->psr.su_y_granularity == 4; /* - * adl_p has 1 line granularity. For other platforms with SW tracking we - * can adjust the y coordinates to match sink requirement if multiple of - * 4. + * adl_p and display 14+ platforms has 1 line granularity. + * For other platforms with SW tracking we can adjust the y coordinates + * to match sink requirement if multiple of 4. */ - if (IS_ALDERLAKE_P(dev_priv)) + if (IS_ALDERLAKE_P(dev_priv) || DISPLAY_VER(dev_priv) >= 14) y_granularity = intel_dp->psr.su_y_granularity; else if (intel_dp->psr.su_y_granularity <= 2) y_granularity = 4; @@ -883,7 +883,8 @@ static bool intel_psr2_config_valid(struct intel_dp *intel_dp, * resolution requires DSC to be enabled, priority is given to DSC * over PSR2. */ - if (crtc_state->dsc.compression_enable) { + if (crtc_state->dsc.compression_enable && + (DISPLAY_VER(dev_priv) <= 13 && !IS_ALDERLAKE_P(dev_priv))) { drm_dbg_kms(&dev_priv->drm, "PSR2 cannot be enabled since DSC is enabled\n"); return false; @@ -1474,7 +1475,7 @@ static u32 man_trk_ctl_enable_bit_get(struct drm_i915_private *dev_priv) static u32 man_trk_ctl_single_full_frame_bit_get(struct drm_i915_private *dev_priv) { - return IS_ALDERLAKE_P(dev_priv) ? + return IS_ALDERLAKE_P(dev_priv) || DISPLAY_VER(dev_priv) >= 14 ? ADLP_PSR2_MAN_TRK_CTL_SF_SINGLE_FULL_FRAME : PSR2_MAN_TRK_CTL_SF_SINGLE_FULL_FRAME; } @@ -1627,7 +1628,7 @@ static void psr2_man_trk_ctl_calc(struct intel_crtc_state *crtc_state, if (clip->y1 == -1) goto exit; - if (IS_ALDERLAKE_P(dev_priv)) { + if (IS_ALDERLAKE_P(dev_priv) || DISPLAY_VER(dev_priv) >= 14) { val |= ADLP_PSR2_MAN_TRK_CTL_SU_REGION_START_ADDR(clip->y1); val |= ADLP_PSR2_MAN_TRK_CTL_SU_REGION_END_ADDR(clip->y2 - 1); } else { @@ -1664,7 +1665,15 @@ static void intel_psr2_sel_fetch_pipe_alignment(const struct intel_crtc_state *c struct drm_rect *pipe_clip) { struct drm_i915_private *dev_priv = to_i915(crtc_state->uapi.crtc->dev); - const u16 y_alignment = crtc_state->su_y_granularity; + const struct drm_dsc_config *vdsc_cfg = &crtc_state->dsc.config; + u16 y_alignment; + + /* ADLP aligns the SU region to vdsc slice height in case dsc is enabled */ + if (crtc_state->dsc.compression_enable && + (IS_ALDERLAKE_P(dev_priv) || DISPLAY_VER(dev_priv) >= 14)) + y_alignment = vdsc_cfg->slice_height; + else + y_alignment = crtc_state->su_y_granularity; pipe_clip->y1 -= pipe_clip->y1 % y_alignment; if (pipe_clip->y2 % y_alignment) |