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omapdss fixes for 3.7-rc

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Merge tag 'omapdss-for-3.7-rc' of git://gitorious.org/linux-omap-dss2/linux

Pull omapdss fixes from Tomi Valkeinen:
 "Here are a few OMAPDSS fixes for the next -rc.  I'm sending these
  directly to you, and quite late, as the fbdev tree maintainer
  (Florian) has been busy with his work and hasn't had time to manage
  the fb patches."

* tag 'omapdss-for-3.7-rc' of git://gitorious.org/linux-omap-dss2/linux:
  OMAPDSS: do not fail if dpll4_m4_ck is missing
  OMAPFB: Fix possible null pointer dereferencing
  OMAPDSS: HDMI: fix missing unlock on error in hdmi_dump_regs()
  omapdss: dss: Fix clocks on OMAP363x
  OMAPDSS: DSI: fix dsi_get_dsidev_from_id()
This commit is contained in:
Linus Torvalds 2012-11-23 12:01:02 -10:00
commit f789dcc75c
4 changed files with 26 additions and 11 deletions
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13
drivers/video/omap2/dss/dsi.c
View File

@ -365,11 +365,20 @@ struct platform_device *dsi_get_dsidev_from_id(int module)
struct omap_dss_output *out;
enum omap_dss_output_id id;
id = module == 0 ? OMAP_DSS_OUTPUT_DSI1 : OMAP_DSS_OUTPUT_DSI2;
switch (module) {
case 0:
id = OMAP_DSS_OUTPUT_DSI1;
break;
case 1:
id = OMAP_DSS_OUTPUT_DSI2;
break;
default:
return NULL;
}
out = omap_dss_get_output(id);
return out->pdev;
return out ? out->pdev : NULL;
}
static inline void dsi_write_reg(struct platform_device *dsidev,

18
drivers/video/omap2/dss/dss.c
View File

@ -697,11 +697,15 @@ static int dss_get_clocks(void)
dss.dss_clk = clk;
clk = clk_get(NULL, dss.feat->clk_name);
if (IS_ERR(clk)) {
DSSERR("Failed to get %s\n", dss.feat->clk_name);
r = PTR_ERR(clk);
goto err;
if (dss.feat->clk_name) {
clk = clk_get(NULL, dss.feat->clk_name);
if (IS_ERR(clk)) {
DSSERR("Failed to get %s\n", dss.feat->clk_name);
r = PTR_ERR(clk);
goto err;
}
} else {
clk = NULL;
}
dss.dpll4_m4_ck = clk;
@ -805,10 +809,10 @@ static int __init dss_init_features(struct device *dev)
if (cpu_is_omap24xx())
src = &omap24xx_dss_feats;
else if (cpu_is_omap34xx())
src = &omap34xx_dss_feats;
else if (cpu_is_omap3630())
src = &omap3630_dss_feats;
else if (cpu_is_omap34xx())
src = &omap34xx_dss_feats;
else if (cpu_is_omap44xx())
src = &omap44xx_dss_feats;
else if (soc_is_omap54xx())

4
drivers/video/omap2/dss/hdmi.c
View File

@ -644,8 +644,10 @@ static void hdmi_dump_regs(struct seq_file *s)
{
mutex_lock(&hdmi.lock);
if (hdmi_runtime_get())
if (hdmi_runtime_get()) {
mutex_unlock(&hdmi.lock);
return;
}
hdmi.ip_data.ops->dump_wrapper(&hdmi.ip_data, s);
hdmi.ip_data.ops->dump_pll(&hdmi.ip_data, s);

2
drivers/video/omap2/omapfb/omapfb-ioctl.c
View File

@ -787,7 +787,7 @@ int omapfb_ioctl(struct fb_info *fbi, unsigned int cmd, unsigned long arg)
case OMAPFB_WAITFORVSYNC:
DBG("ioctl WAITFORVSYNC\n");
if (!display && !display->output && !display->output->manager) {
if (!display || !display->output || !display->output->manager) {
r = -EINVAL;
break;
}