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Merge tag 'drm-misc-fixes-2018-05-29' of git://anongit.freedesktop.org/drm/drm-misc into drm-fixes

core: Add 220us psr setup time (Dhinakaran)
omap: Fix NULL deref (Tomi)

Cc: Dhinakaran Pandiyan <dhinakaran.pandiyan@intel.com>
Cc: Tomi Valkeinen <tomi.valkeinen@ti.com>

* tag 'drm-misc-fixes-2018-05-29' of git://anongit.freedesktop.org/drm/drm-misc:
  drm/omap: fix NULL deref crash with SDI displays
  drm/psr: Fix missed entry in PSR setup time table.
Dave Airlie 7 years ago
parent
commit
ebb442bb35
2 changed files with 5 additions and 1 deletions
  1. 1 0
      drivers/gpu/drm/drm_dp_helper.c
  2. 4 1
      drivers/gpu/drm/omapdrm/dss/sdi.c

+ 1 - 0
drivers/gpu/drm/drm_dp_helper.c

@@ -1145,6 +1145,7 @@ int drm_dp_psr_setup_time(const u8 psr_cap[EDP_PSR_RECEIVER_CAP_SIZE])
 	static const u16 psr_setup_time_us[] = {
 		PSR_SETUP_TIME(330),
 		PSR_SETUP_TIME(275),
+		PSR_SETUP_TIME(220),
 		PSR_SETUP_TIME(165),
 		PSR_SETUP_TIME(110),
 		PSR_SETUP_TIME(55),

+ 4 - 1
drivers/gpu/drm/omapdrm/dss/sdi.c

@@ -82,7 +82,7 @@ static int sdi_calc_clock_div(struct sdi_device *sdi, unsigned long pclk,
 			      struct dispc_clock_info *dispc_cinfo)
 {
 	int i;
-	struct sdi_clk_calc_ctx ctx = { .sdi = sdi };
+	struct sdi_clk_calc_ctx ctx;
 
 	/*
 	 * DSS fclk gives us very few possibilities, so finding a good pixel
@@ -95,6 +95,9 @@ static int sdi_calc_clock_div(struct sdi_device *sdi, unsigned long pclk,
 		bool ok;
 
 		memset(&ctx, 0, sizeof(ctx));
+
+		ctx.sdi = sdi;
+
 		if (pclk > 1000 * i * i * i)
 			ctx.pck_min = max(pclk - 1000 * i * i * i, 0lu);
 		else