diff options
| author | Alex Deucher <alexdeucher@gmail.com> | 2008-10-15 10:52:14 -0400 |
|---|---|---|
| committer | Alex Deucher <alexdeucher@gmail.com> | 2008-10-15 10:52:14 -0400 |
| commit | 435cf7da68186f2601c4b888296117d4f652c625 (patch) | |
| tree | 8a8f6b3eac6e28a0266e9cb3b7d951a0900feaaa /src/atombios_output.c | |
| parent | c0e6cb6d0eeef8f2ea60d840e1cd668fa92cd7f9 (diff) | |
Add LCD dithering quirk for macbook pro
fixes bug 17897.
Diffstat (limited to 'src/atombios_output.c')
| -rw-r--r-- | src/atombios_output.c | 28 |
1 files changed, 27 insertions, 1 deletions
diff --git a/src/atombios_output.c b/src/atombios_output.c index 148a1da0..24acbd72 100644 --- a/src/atombios_output.c +++ b/src/atombios_output.c @@ -43,6 +43,8 @@ #include "radeon_macros.h" #include "radeon_atombios.h" +#include "ati_pciids_gen.h" + static int atombios_output_dac1_setup(xf86OutputPtr output, DisplayModePtr mode) { @@ -894,6 +896,30 @@ atombios_set_output_crtc_source(xf86OutputPtr output) return; } +static void +atombios_apply_output_quirks(xf86OutputPtr output) +{ + RADEONOutputPrivatePtr radeon_output = output->driver_private; + RADEONInfoPtr info = RADEONPTR(output->scrn); + unsigned char *RADEONMMIO = info->MMIO; + + /* Funky macbooks */ + if ((info->Chipset == PCI_CHIP_RV530_71C5) && + (PCI_SUB_VENDOR_ID(info->PciInfo) == 0x106b) && + (PCI_SUB_DEVICE_ID(info->PciInfo) == 0x0080)) { + if (radeon_output->MonType == MT_LCD) { + if (radeon_output->devices & ATOM_DEVICE_LCD1_SUPPORT) { + uint32_t lvtma_bit_depth_control = INREG(AVIVO_LVTMA_BIT_DEPTH_CONTROL); + + lvtma_bit_depth_control &= ~AVIVO_LVTMA_BIT_DEPTH_CONTROL_TRUNCATE_EN; + lvtma_bit_depth_control &= ~AVIVO_LVTMA_BIT_DEPTH_CONTROL_SPATIAL_DITHER_EN; + + OUTREG(AVIVO_LVTMA_BIT_DEPTH_CONTROL, lvtma_bit_depth_control); + } + } + } +} + void atombios_output_mode_set(xf86OutputPtr output, DisplayModePtr mode, @@ -955,7 +981,7 @@ atombios_output_mode_set(xf86OutputPtr output, atombios_output_dac2_setup(output, adjusted_mode); atombios_output_tv1_setup(output, adjusted_mode); } - + atombios_apply_output_quirks(output); } static AtomBiosResult |