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| author | Leah Rowe <vimuser@noreply.codeberg.org> | 2024-05-21 17:13:17 +0000 |
|---|---|---|
| committer | Leah Rowe <vimuser@noreply.codeberg.org> | 2024-05-21 17:13:17 +0000 |
| commit | 47d77c94295457fa32f57a8ebf0407da2dbe89ed (patch) | |
| tree | 3a833e05b711749656fa029f5323c7c2c8464891 /config/submodule/coreboot/dell/libgfxinit | |
| parent | 0beecd1b036db59d8713150fdef497bc83217f09 (diff) | |
| parent | 8629873a6043067affc137be275b7aa69cb1f10c (diff) | |
Merge pull request 'Fix E6400 display issue with 1440 x 900 panel' (#211) from nic3-14159/lbmk:fix-e6400-igpu-ref-clock into master
Reviewed-on: https://codeberg.org/libreboot/lbmk/pulls/211
Diffstat (limited to 'config/submodule/coreboot/dell/libgfxinit')
| -rw-r--r-- | config/submodule/coreboot/dell/libgfxinit/patches/0001-g45-hw-gfx-gma-plls.adb-Make-reference-clock-frequen.patch | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/config/submodule/coreboot/dell/libgfxinit/patches/0001-g45-hw-gfx-gma-plls.adb-Make-reference-clock-frequen.patch b/config/submodule/coreboot/dell/libgfxinit/patches/0001-g45-hw-gfx-gma-plls.adb-Make-reference-clock-frequen.patch new file mode 100644 index 00000000..6ead9518 --- /dev/null +++ b/config/submodule/coreboot/dell/libgfxinit/patches/0001-g45-hw-gfx-gma-plls.adb-Make-reference-clock-frequen.patch @@ -0,0 +1,42 @@ +From 2c29f01a18d0a104bcc4f785e3901de584d02d7e Mon Sep 17 00:00:00 2001 +From: Nicholas Chin <nic.c3.14@gmail.com> +Date: Mon, 20 May 2024 10:10:03 -0600 +Subject: [PATCH] g45/hw-gfx-gma-plls.adb: Make reference clock frequency + configurable + +Instead of assuming a 96 MHz reference clock frequency, use the value +specified by the new INTEL_GMA_DPLL_REF_FREQ Kconfig. This defaults to +96 MHz to preserve the existing behavior. An example of where this is +needed is the DPLL_REF_SSCLK input, which will typically be 100 MHz +to support LVDS spread spectrum clocking. + +Signed-off-by: Nicholas Chin <nic.c3.14@gmail.com> +--- + common/g45/hw-gfx-gma-plls.adb | 4 +++- + 1 file changed, 3 insertions(+), 1 deletion(-) + +diff --git a/common/g45/hw-gfx-gma-plls.adb b/common/g45/hw-gfx-gma-plls.adb +index 67242f2..1aee576 100644 +--- a/common/g45/hw-gfx-gma-plls.adb ++++ b/common/g45/hw-gfx-gma-plls.adb +@@ -12,6 +12,8 @@ + -- GNU General Public License for more details. + -- + ++with CB.Config ++ + with HW.Time; + with HW.GFX.GMA.Config; + with HW.GFX.GMA.Registers; +@@ -460,7 +462,7 @@ is + (Display => Port_Cfg.Display, + Target_Dotclock => Target_Clock, + -- should be, but doesn't has to be always the same: +- Reference_Clock => 96_000_000, ++ Reference_Clock => CB.Config.INTEL_GMA_DPLL_REF_FREQ, + Best_Clock => Clk, + Valid => Success); + else +-- +2.45.1 + |