drm/i915/bios: Fix the timing parameters (ad278f35) · Commits · 戴 / test

Fix htotal and vtotal parameters derived from DTD block of VBT. The values miss the back porch. Fixes: ("drm/i915/vbt: Handle generic DTD block") Signed-off-by:

Vandita Kulkarni <vandita.kulkarni@intel.com> Signed-off-by:

Jani Nikula <jani.nikula@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20200124125829.16973-1-vandita.kulkarni@intel.com

drivers/gpu/drm/i915/display/intel_bios.c

+4 −2

Original line number	Diff line number	Diff line
		@@ -366,14 +366,16 @@ parse_generic_dtd(struct drm_i915_private *dev_priv,
		panel_fixed_mode->hdisplay + dtd->hfront_porch;
		panel_fixed_mode->hsync_end =
		panel_fixed_mode->hsync_start + dtd->hsync;
		panel_fixed_mode->htotal = panel_fixed_mode->hsync_end;
		panel_fixed_mode->htotal =
		panel_fixed_mode->hdisplay + dtd->hblank;

		panel_fixed_mode->vdisplay = dtd->vactive;
		panel_fixed_mode->vsync_start =
		panel_fixed_mode->vdisplay + dtd->vfront_porch;
		panel_fixed_mode->vsync_end =
		panel_fixed_mode->vsync_start + dtd->vsync;
		panel_fixed_mode->vtotal = panel_fixed_mode->vsync_end;
		panel_fixed_mode->vtotal =
		panel_fixed_mode->vdisplay + dtd->vblank;

		panel_fixed_mode->clock = dtd->pixel_clock;
		panel_fixed_mode->width_mm = dtd->width_mm;

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