diff options
| author | Dave Airlie <airlied@redhat.com> | 2014-08-26 09:04:32 +1000 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2014-08-26 09:04:32 +1000 |
| commit | d5a0f2e7be20d29c5a23fdbc65c1f8307690413c (patch) | |
| tree | 1f56a52a35825a209aa26986852b45b9e3fddf29 /drivers/gpu/drm/i915/intel_dsi.c | |
| parent | c0ee755fc57319a623e0d9ef839cf8fb26ce8d60 (diff) | |
| parent | 2c0827cffca8ac0c654b888c58a1989a5172f007 (diff) | |
Merge tag 'drm-intel-next-2014-08-08' of git://anongit.freedesktop.org/drm-intel into drm-next
- Setting dp M2/N2 values plus state checker support (Vandana Kannan)
- chv power well support (Ville)
- DP training pattern 3 support for chv (Ville)
- cleanup of the hsw/bdw ddi pll code, prep work for skl (Damien)
- dsi video burst mode support (Shobhit)
- piles of other chv fixes all over (Ville et. al.)
- cleanup of the ddi translation tables setup code (Damien)
- 180 deg rotation support (Ville & Sonika Jindal)
* tag 'drm-intel-next-2014-08-08' of git://anongit.freedesktop.org/drm-intel: (59 commits)
drm/i915: Update DRIVER_DATE to 20140808
drm/i915: No busy-loop wait_for in the ring init code
drm/i915: Add sprite watermark programming for VLV and CHV
drm/i915: Round-up clock and limit drain latency
drm/i915: Generalize drain latency computation
drm/i915: Free pending page flip events at .preclose()
drm/i915: clean up PPGTT checking logic
drm/i915: Polish the chv cmnlane resrt macros
drm/i915: Hack to tie both common lanes together on chv
drm/i915: Add cherryview_update_wm()
drm/i915: Update DDL only for current CRTC
drm/i915: Parametrize VLV_DDL registers
drm/i915: Fill out the FWx watermark register defines
drm: Resetting rotation property
drm/i915: Add rotation property for sprites
drm: Add rotation_property to mode_config
drm/i915: Make intel_plane_restore() return an error
drm/i915: Add 180 degree sprite rotation support
drm/i915: Introduce a for_each_intel_encoder() macro
drm/i915: Demote the DRRS messages to debug messages
...
Diffstat (limited to 'drivers/gpu/drm/i915/intel_dsi.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_dsi.c | 40 |
1 files changed, 23 insertions, 17 deletions
diff --git a/drivers/gpu/drm/i915/intel_dsi.c b/drivers/gpu/drm/i915/intel_dsi.c index 670c29a7b5dd..5bd9e09ad3c5 100644 --- a/drivers/gpu/drm/i915/intel_dsi.c +++ b/drivers/gpu/drm/i915/intel_dsi.c @@ -184,7 +184,7 @@ static void intel_dsi_pre_enable(struct intel_encoder *encoder) /* update the hw state for DPLL */ intel_crtc->config.dpll_hw_state.dpll = DPLL_INTEGRATED_CLOCK_VLV | - DPLL_REFA_CLK_ENABLE_VLV; + DPLL_REFA_CLK_ENABLE_VLV; tmp = I915_READ(DSPCLK_GATE_D); tmp |= DPOUNIT_CLOCK_GATE_DISABLE; @@ -259,8 +259,8 @@ static void intel_dsi_disable(struct intel_encoder *encoder) temp = I915_READ(MIPI_CTRL(pipe)); temp &= ~ESCAPE_CLOCK_DIVIDER_MASK; I915_WRITE(MIPI_CTRL(pipe), temp | - intel_dsi->escape_clk_div << - ESCAPE_CLOCK_DIVIDER_SHIFT); + intel_dsi->escape_clk_div << + ESCAPE_CLOCK_DIVIDER_SHIFT); I915_WRITE(MIPI_EOT_DISABLE(pipe), CLOCKSTOP); @@ -297,7 +297,7 @@ static void intel_dsi_clear_device_ready(struct intel_encoder *encoder) usleep_range(2000, 2500); if (wait_for(((I915_READ(MIPI_PORT_CTRL(pipe)) & AFE_LATCHOUT) - == 0x00000), 30)) + == 0x00000), 30)) DRM_ERROR("DSI LP not going Low\n"); val = I915_READ(MIPI_PORT_CTRL(pipe)); @@ -423,9 +423,11 @@ static u16 txclkesc(u32 divider, unsigned int us) } /* return pixels in terms of txbyteclkhs */ -static u16 txbyteclkhs(u16 pixels, int bpp, int lane_count) +static u16 txbyteclkhs(u16 pixels, int bpp, int lane_count, + u16 burst_mode_ratio) { - return DIV_ROUND_UP(DIV_ROUND_UP(pixels * bpp, 8), lane_count); + return DIV_ROUND_UP(DIV_ROUND_UP(pixels * bpp * burst_mode_ratio, + 8 * 100), lane_count); } static void set_dsi_timings(struct drm_encoder *encoder, @@ -451,10 +453,12 @@ static void set_dsi_timings(struct drm_encoder *encoder, vbp = mode->vtotal - mode->vsync_end; /* horizontal values are in terms of high speed byte clock */ - hactive = txbyteclkhs(hactive, bpp, lane_count); - hfp = txbyteclkhs(hfp, bpp, lane_count); - hsync = txbyteclkhs(hsync, bpp, lane_count); - hbp = txbyteclkhs(hbp, bpp, lane_count); + hactive = txbyteclkhs(hactive, bpp, lane_count, + intel_dsi->burst_mode_ratio); + hfp = txbyteclkhs(hfp, bpp, lane_count, intel_dsi->burst_mode_ratio); + hsync = txbyteclkhs(hsync, bpp, lane_count, + intel_dsi->burst_mode_ratio); + hbp = txbyteclkhs(hbp, bpp, lane_count, intel_dsi->burst_mode_ratio); I915_WRITE(MIPI_HACTIVE_AREA_COUNT(pipe), hactive); I915_WRITE(MIPI_HFP_COUNT(pipe), hfp); @@ -541,12 +545,14 @@ static void intel_dsi_prepare(struct intel_encoder *intel_encoder) intel_dsi->video_mode_format == VIDEO_MODE_BURST) { I915_WRITE(MIPI_HS_TX_TIMEOUT(pipe), txbyteclkhs(adjusted_mode->htotal, bpp, - intel_dsi->lane_count) + 1); + intel_dsi->lane_count, + intel_dsi->burst_mode_ratio) + 1); } else { I915_WRITE(MIPI_HS_TX_TIMEOUT(pipe), txbyteclkhs(adjusted_mode->vtotal * adjusted_mode->htotal, - bpp, intel_dsi->lane_count) + 1); + bpp, intel_dsi->lane_count, + intel_dsi->burst_mode_ratio) + 1); } I915_WRITE(MIPI_LP_RX_TIMEOUT(pipe), intel_dsi->lp_rx_timeout); I915_WRITE(MIPI_TURN_AROUND_TIMEOUT(pipe), intel_dsi->turn_arnd_val); @@ -576,7 +582,7 @@ static void intel_dsi_prepare(struct intel_encoder *intel_encoder) * XXX: write MIPI_STOP_STATE_STALL? */ I915_WRITE(MIPI_HIGH_LOW_SWITCH_COUNT(pipe), - intel_dsi->hs_to_lp_count); + intel_dsi->hs_to_lp_count); /* XXX: low power clock equivalence in terms of byte clock. the number * of byte clocks occupied in one low power clock. based on txbyteclkhs @@ -601,10 +607,10 @@ static void intel_dsi_prepare(struct intel_encoder *intel_encoder) * 64 like 1366 x 768. Enable RANDOM resolution support for such * panels by default */ I915_WRITE(MIPI_VIDEO_MODE_FORMAT(pipe), - intel_dsi->video_frmt_cfg_bits | - intel_dsi->video_mode_format | - IP_TG_CONFIG | - RANDOM_DPI_DISPLAY_RESOLUTION); + intel_dsi->video_frmt_cfg_bits | + intel_dsi->video_mode_format | + IP_TG_CONFIG | + RANDOM_DPI_DISPLAY_RESOLUTION); } static void intel_dsi_pre_pll_enable(struct intel_encoder *encoder) |
