The patch titled
radeonfb: add new module parameter to force PLL calculation
has been added to the -mm tree. Its filename is
radeonfb-add-new-module-parameter-to-force-pll-calculation.patch
*** Remember to use Documentation/SubmitChecklist when testing your code ***
See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
out what to do about this
------------------------------------------------------
Subject: radeonfb: add new module parameter to force PLL calculation
From: Andreas Herrmann <aherrman@xxxxxxxx>
On my Acer Aspire 5100 (with 0x5975) I need to force PLL caclulation.
Most probably the BIOS dividers are incorrect/insufficient. Without pll
calculation console goes blank.
Signed-off-by: Andreas Herrmann <aherrman@xxxxxxxx>
Cc: Benjamin Herrenschmidt <benh@xxxxxxxxxxxxxxxxxxx>
Cc: "Antonino A. Daplas" <adaplas@xxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
drivers/video/aty/radeon_base.c | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff -puN drivers/video/aty/radeon_base.c~radeonfb-add-new-module-parameter-to-force-pll-calculation drivers/video/aty/radeon_base.c
--- a/drivers/video/aty/radeon_base.c~radeonfb-add-new-module-parameter-to-force-pll-calculation
+++ a/drivers/video/aty/radeon_base.c
@@ -268,6 +268,7 @@ static int mirror = 0;
static int panel_yres = 0;
static int force_dfp = 0;
static int force_measure_pll = 0;
+static int force_pll_calc = 0;
#ifdef CONFIG_MTRR
static int nomtrr = 0;
#endif
@@ -1590,7 +1591,7 @@ static int radeonfb_set_par(struct fb_in
pixClock = 100000000 / rinfo->panel_info.clock;
- if (rinfo->panel_info.use_bios_dividers) {
+ if (rinfo->panel_info.use_bios_dividers && !force_pll_calc) {
nopllcalc = 1;
newmode->ppll_div_3 = rinfo->panel_info.fbk_divider |
(rinfo->panel_info.post_divider << 16);
@@ -2495,6 +2496,8 @@ static int __init radeonfb_setup (char *
nomodeset = 1;
} else if (!strncmp(this_opt, "force_measure_pll", 17)) {
force_measure_pll = 1;
+ } else if (!strncmp(this_opt, "force_pll_calc", 17)) {
+ force_pll_calc = 1;
} else if (!strncmp(this_opt, "ignore_edid", 11)) {
ignore_edid = 1;
#if defined(CONFIG_PM) && defined(CONFIG_X86)
@@ -2550,6 +2553,8 @@ module_param(monitor_layout, charp, 0);
MODULE_PARM_DESC(monitor_layout, "Specify monitor mapping (like XFree86)");
module_param(force_measure_pll, bool, 0);
MODULE_PARM_DESC(force_measure_pll, "Force measurement of PLL (debug)");
+module_param(force_pll_calc, bool, 0400);
+MODULE_PARM_DESC(force_pll_calc, "Force calculation of PLL");
#ifdef CONFIG_MTRR
module_param(nomtrr, bool, 0);
MODULE_PARM_DESC(nomtrr, "bool: disable use of MTRR registers");
_
Patches currently in -mm which might be from aherrman@xxxxxxxx are
radeonfb-add-pci-id-for-rs482-radeon-xpress-200m.patch
radeonfb-add-new-module-parameter-to-force-pll-calculation.patch
radeonfb-add-new-module-parameter-to-force-pll-calculation-fix.patch
radeonfb-fix-setting-of-ppll_ref_div-for-rv370-5b60.patch
radeonfb-use-pci-device-id-in-hex-for-name-string.patch
-
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