diff options
Diffstat (limited to 'drivers/gpu/drm/i915/vlv_dsi.c')
| -rw-r--r-- | drivers/gpu/drm/i915/vlv_dsi.c | 34 |
1 files changed, 31 insertions, 3 deletions
diff --git a/drivers/gpu/drm/i915/vlv_dsi.c b/drivers/gpu/drm/i915/vlv_dsi.c index 0a950c976bbb..e0b1ec821960 100644 --- a/drivers/gpu/drm/i915/vlv_dsi.c +++ b/drivers/gpu/drm/i915/vlv_dsi.c @@ -23,16 +23,20 @@ * Author: Jani Nikula <jani.nikula@intel.com> */ +#include <linux/gpio/consumer.h> +#include <linux/slab.h> + #include <drm/drm_atomic_helper.h> #include <drm/drm_crtc.h> #include <drm/drm_edid.h> -#include <drm/i915_drm.h> #include <drm/drm_mipi_dsi.h> -#include <linux/slab.h> -#include <linux/gpio/consumer.h> +#include <drm/i915_drm.h> + #include "i915_drv.h" +#include "intel_connector.h" #include "intel_drv.h" #include "intel_dsi.h" +#include "intel_panel.h" /* return pixels in terms of txbyteclkhs */ static u16 txbyteclkhs(u16 pixels, int bpp, int lane_count, @@ -256,6 +260,28 @@ static void band_gap_reset(struct drm_i915_private *dev_priv) mutex_unlock(&dev_priv->sb_lock); } +static int bdw_get_pipemisc_bpp(struct intel_crtc *crtc) +{ + struct drm_i915_private *dev_priv = to_i915(crtc->base.dev); + u32 tmp; + + tmp = I915_READ(PIPEMISC(crtc->pipe)); + + switch (tmp & PIPEMISC_DITHER_BPC_MASK) { + case PIPEMISC_DITHER_6_BPC: + return 18; + case PIPEMISC_DITHER_8_BPC: + return 24; + case PIPEMISC_DITHER_10_BPC: + return 30; + case PIPEMISC_DITHER_12_BPC: + return 36; + default: + MISSING_CASE(tmp); + return 0; + } +} + static int intel_dsi_compute_config(struct intel_encoder *encoder, struct intel_crtc_state *pipe_config, struct drm_connector_state *conn_state) @@ -1082,6 +1108,8 @@ static void bxt_dsi_get_pipe_config(struct intel_encoder *encoder, bpp = mipi_dsi_pixel_format_to_bpp( pixel_format_from_register_bits(fmt)); + pipe_config->pipe_bpp = bdw_get_pipemisc_bpp(crtc); + /* Enable Frame time stamo based scanline reporting */ adjusted_mode->private_flags |= I915_MODE_FLAG_GET_SCANLINE_FROM_TIMESTAMP; |