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drm/radeon: don't touch DCE or VGA regs on Hainan (v3)

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Hainan has no display hardware:
- no DCE (crtc, uniphy, dac, etc.)
- no VGA

v2: fix bios fetch
v3: fix interrupts

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
This commit is contained in:
Alex Deucher
2012-08-30 14:34:30 -04:00
parent 8b02859d77
commit 5153550ad7
3 changed files with 92 additions and 62 deletions
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28
drivers/gpu/drm/radeon/radeon_bios.c
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@@ -221,24 +221,28 @@ static bool ni_read_disabled_bios(struct radeon_device *rdev)
/* enable the rom */
WREG32(R600_BUS_CNTL, (bus_cntl & ~R600_BIOS_ROM_DIS));
/* Disable VGA mode */
WREG32(AVIVO_D1VGA_CONTROL,
(d1vga_control & ~(AVIVO_DVGA_CONTROL_MODE_ENABLE |
AVIVO_DVGA_CONTROL_TIMING_SELECT)));
WREG32(AVIVO_D2VGA_CONTROL,
(d2vga_control & ~(AVIVO_DVGA_CONTROL_MODE_ENABLE |
AVIVO_DVGA_CONTROL_TIMING_SELECT)));
WREG32(AVIVO_VGA_RENDER_CONTROL,
(vga_render_control & ~AVIVO_VGA_VSTATUS_CNTL_MASK));
if (!ASIC_IS_NODCE(rdev)) {
/* Disable VGA mode */
WREG32(AVIVO_D1VGA_CONTROL,
(d1vga_control & ~(AVIVO_DVGA_CONTROL_MODE_ENABLE |
AVIVO_DVGA_CONTROL_TIMING_SELECT)));
WREG32(AVIVO_D2VGA_CONTROL,
(d2vga_control & ~(AVIVO_DVGA_CONTROL_MODE_ENABLE |
AVIVO_DVGA_CONTROL_TIMING_SELECT)));
WREG32(AVIVO_VGA_RENDER_CONTROL,
(vga_render_control & ~AVIVO_VGA_VSTATUS_CNTL_MASK));
}
WREG32(R600_ROM_CNTL, rom_cntl | R600_SCK_OVERWRITE);
r = radeon_read_bios(rdev);
/* restore regs */
WREG32(R600_BUS_CNTL, bus_cntl);
WREG32(AVIVO_D1VGA_CONTROL, d1vga_control);
WREG32(AVIVO_D2VGA_CONTROL, d2vga_control);
WREG32(AVIVO_VGA_RENDER_CONTROL, vga_render_control);
if (!ASIC_IS_NODCE(rdev)) {
WREG32(AVIVO_D1VGA_CONTROL, d1vga_control);
WREG32(AVIVO_D2VGA_CONTROL, d2vga_control);
WREG32(AVIVO_VGA_RENDER_CONTROL, vga_render_control);
}
WREG32(R600_ROM_CNTL, rom_cntl);
return r;
}