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drm/radeon/kms/r4xx: cleanup atom path

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most of radeon_legacy_atom_set_surface() is taken care
of in atombios_set_base(), so remove the duplicate
setup and move the remaining bits (DISP_MERGE setup and
FP2 sync) to atombios_crtc.c where they are used.

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@linux.ie>
This commit is contained in:
Alex Deucher 2010-01-20 16:22:53 -05:00 committed by Dave Airlie
parent 54f088a960
commit 615e0cb679
3 changed files with 25 additions and 65 deletions
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26
drivers/gpu/drm/radeon/atombios_crtc.c
View File

@ -718,6 +718,30 @@ int atombios_crtc_set_base(struct drm_crtc *crtc, int x, int y,
return radeon_crtc_set_base(crtc, x, y, old_fb);
}
/* properly set additional regs when using atombios */
static void radeon_legacy_atom_fixup(struct drm_crtc *crtc)
{
struct drm_device *dev = crtc->dev;
struct radeon_device *rdev = dev->dev_private;
struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
u32 disp_merge_cntl;
switch (radeon_crtc->crtc_id) {
case 0:
disp_merge_cntl = RREG32(RADEON_DISP_MERGE_CNTL);
disp_merge_cntl &= ~RADEON_DISP_RGB_OFFSET_EN;
WREG32(RADEON_DISP_MERGE_CNTL, disp_merge_cntl);
break;
case 1:
disp_merge_cntl = RREG32(RADEON_DISP2_MERGE_CNTL);
disp_merge_cntl &= ~RADEON_DISP2_RGB_OFFSET_EN;
WREG32(RADEON_DISP2_MERGE_CNTL, disp_merge_cntl);
WREG32(RADEON_FP_H2_SYNC_STRT_WID, RREG32(RADEON_CRTC2_H_SYNC_STRT_WID));
WREG32(RADEON_FP_V2_SYNC_STRT_WID, RREG32(RADEON_CRTC2_V_SYNC_STRT_WID));
break;
}
}
int atombios_crtc_mode_set(struct drm_crtc *crtc,
struct drm_display_mode *mode,
struct drm_display_mode *adjusted_mode,
@ -740,7 +764,7 @@ int atombios_crtc_mode_set(struct drm_crtc *crtc,
if (radeon_crtc->crtc_id == 0)
atombios_set_crtc_dtd_timing(crtc, adjusted_mode);
atombios_crtc_set_base(crtc, x, y, old_fb);
radeon_legacy_atom_set_surface(crtc);
radeon_legacy_atom_fixup(crtc);
}
atombios_overscan_setup(crtc, mode, adjusted_mode);
atombios_scaler_setup(crtc);

63
drivers/gpu/drm/radeon/radeon_legacy_crtc.c
View File

@ -339,69 +339,6 @@ void radeon_crtc_dpms(struct drm_crtc *crtc, int mode)
}
}
/* properly set crtc bpp when using atombios */
void radeon_legacy_atom_set_surface(struct drm_crtc *crtc)
{
struct drm_device *dev = crtc->dev;
struct radeon_device *rdev = dev->dev_private;
struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
int format;
uint32_t crtc_gen_cntl;
uint32_t disp_merge_cntl;
uint32_t crtc_pitch;
switch (crtc->fb->bits_per_pixel) {
case 8:
format = 2;
break;
case 15: /* 555 */
format = 3;
break;
case 16: /* 565 */
format = 4;
break;
case 24: /* RGB */
format = 5;
break;
case 32: /* xRGB */
format = 6;
break;
default:
return;
}
crtc_pitch = ((((crtc->fb->pitch / (crtc->fb->bits_per_pixel / 8)) * crtc->fb->bits_per_pixel) +
((crtc->fb->bits_per_pixel * 8) - 1)) /
(crtc->fb->bits_per_pixel * 8));
crtc_pitch |= crtc_pitch << 16;
WREG32(RADEON_CRTC_PITCH + radeon_crtc->crtc_offset, crtc_pitch);
switch (radeon_crtc->crtc_id) {
case 0:
disp_merge_cntl = RREG32(RADEON_DISP_MERGE_CNTL);
disp_merge_cntl &= ~RADEON_DISP_RGB_OFFSET_EN;
WREG32(RADEON_DISP_MERGE_CNTL, disp_merge_cntl);
crtc_gen_cntl = RREG32(RADEON_CRTC_GEN_CNTL) & 0xfffff0ff;
crtc_gen_cntl |= (format << 8);
crtc_gen_cntl |= RADEON_CRTC_EXT_DISP_EN;
WREG32(RADEON_CRTC_GEN_CNTL, crtc_gen_cntl);
break;
case 1:
disp_merge_cntl = RREG32(RADEON_DISP2_MERGE_CNTL);
disp_merge_cntl &= ~RADEON_DISP2_RGB_OFFSET_EN;
WREG32(RADEON_DISP2_MERGE_CNTL, disp_merge_cntl);
crtc_gen_cntl = RREG32(RADEON_CRTC2_GEN_CNTL) & 0xfffff0ff;
crtc_gen_cntl |= (format << 8);
WREG32(RADEON_CRTC2_GEN_CNTL, crtc_gen_cntl);
WREG32(RADEON_FP_H2_SYNC_STRT_WID, RREG32(RADEON_CRTC2_H_SYNC_STRT_WID));
WREG32(RADEON_FP_V2_SYNC_STRT_WID, RREG32(RADEON_CRTC2_V_SYNC_STRT_WID));
break;
}
}
int radeon_crtc_set_base(struct drm_crtc *crtc, int x, int y,
struct drm_framebuffer *old_fb)
{

1
drivers/gpu/drm/radeon/radeon_mode.h
View File

@ -453,7 +453,6 @@ extern void atombios_crtc_dpms(struct drm_crtc *crtc, int mode);
extern int radeon_crtc_set_base(struct drm_crtc *crtc, int x, int y,
struct drm_framebuffer *old_fb);
extern void radeon_legacy_atom_set_surface(struct drm_crtc *crtc);
extern int radeon_crtc_cursor_set(struct drm_crtc *crtc,
struct drm_file *file_priv,