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path: root/drivers/gpu/drm/radeon/radeon_legacy_crtc.c
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Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_legacy_crtc.c')
-rw-r--r--drivers/gpu/drm/radeon/radeon_legacy_crtc.c85
1 files changed, 84 insertions, 1 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_legacy_crtc.c b/drivers/gpu/drm/radeon/radeon_legacy_crtc.c
index 0da72f18fd3a..2b997a15fb1f 100644
--- a/drivers/gpu/drm/radeon/radeon_legacy_crtc.c
+++ b/drivers/gpu/drm/radeon/radeon_legacy_crtc.c
@@ -28,6 +28,7 @@
#include <drm/radeon_drm.h>
#include "radeon_fixed.h"
#include "radeon.h"
+#include "atom.h"
static void radeon_legacy_rmx_mode_set(struct drm_crtc *crtc,
struct drm_display_mode *mode,
@@ -340,6 +341,9 @@ void radeon_legacy_atom_set_surface(struct drm_crtc *crtc)
uint32_t crtc_pitch;
switch (crtc->fb->bits_per_pixel) {
+ case 8:
+ format = 2;
+ break;
case 15: /* 555 */
format = 3;
break;
@@ -400,11 +404,33 @@ int radeon_crtc_set_base(struct drm_crtc *crtc, int x, int y,
uint32_t crtc_offset, crtc_offset_cntl, crtc_tile_x0_y0 = 0;
uint32_t crtc_pitch, pitch_pixels;
uint32_t tiling_flags;
+ int format;
+ uint32_t gen_cntl_reg, gen_cntl_val;
DRM_DEBUG("\n");
radeon_fb = to_radeon_framebuffer(crtc->fb);
+ 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 false;
+ }
+
obj = radeon_fb->obj;
if (radeon_gem_object_pin(obj, RADEON_GEM_DOMAIN_VRAM, &base)) {
return -EINVAL;
@@ -457,6 +483,9 @@ int radeon_crtc_set_base(struct drm_crtc *crtc, int x, int y,
} else {
int offset = y * pitch_pixels + x;
switch (crtc->fb->bits_per_pixel) {
+ case 8:
+ offset *= 1;
+ break;
case 15:
case 16:
offset *= 2;
@@ -475,6 +504,16 @@ int radeon_crtc_set_base(struct drm_crtc *crtc, int x, int y,
base &= ~7;
+ if (radeon_crtc->crtc_id == 1)
+ gen_cntl_reg = RADEON_CRTC2_GEN_CNTL;
+ else
+ gen_cntl_reg = RADEON_CRTC_GEN_CNTL;
+
+ gen_cntl_val = RREG32(gen_cntl_reg);
+ gen_cntl_val &= ~(0xf << 8);
+ gen_cntl_val |= (format << 8);
+ WREG32(gen_cntl_reg, gen_cntl_val);
+
crtc_offset = (u32)base;
WREG32(RADEON_DISPLAY_BASE_ADDR + radeon_crtc->crtc_offset, radeon_crtc->legacy_display_base_addr);
@@ -501,6 +540,7 @@ static bool radeon_set_crtc_timing(struct drm_crtc *crtc, struct drm_display_mod
struct drm_device *dev = crtc->dev;
struct radeon_device *rdev = dev->dev_private;
struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
+ struct drm_encoder *encoder;
int format;
int hsync_start;
int hsync_wid;
@@ -509,10 +549,24 @@ static bool radeon_set_crtc_timing(struct drm_crtc *crtc, struct drm_display_mod
uint32_t crtc_h_sync_strt_wid;
uint32_t crtc_v_total_disp;
uint32_t crtc_v_sync_strt_wid;
+ bool is_tv = false;
DRM_DEBUG("\n");
+ list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
+ if (encoder->crtc == crtc) {
+ struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
+ if (radeon_encoder->active_device & ATOM_DEVICE_TV_SUPPORT) {
+ is_tv = true;
+ DRM_INFO("crtc %d is connected to a TV\n", radeon_crtc->crtc_id);
+ break;
+ }
+ }
+ }
switch (crtc->fb->bits_per_pixel) {
+ case 8:
+ format = 2;
+ break;
case 15: /* 555 */
format = 3;
break;
@@ -642,6 +696,11 @@ static bool radeon_set_crtc_timing(struct drm_crtc *crtc, struct drm_display_mod
WREG32(RADEON_CRTC_EXT_CNTL, crtc_ext_cntl);
}
+ if (is_tv)
+ radeon_legacy_tv_adjust_crtc_reg(encoder, &crtc_h_total_disp,
+ &crtc_h_sync_strt_wid, &crtc_v_total_disp,
+ &crtc_v_sync_strt_wid);
+
WREG32(RADEON_CRTC_H_TOTAL_DISP + radeon_crtc->crtc_offset, crtc_h_total_disp);
WREG32(RADEON_CRTC_H_SYNC_STRT_WID + radeon_crtc->crtc_offset, crtc_h_sync_strt_wid);
WREG32(RADEON_CRTC_V_TOTAL_DISP + radeon_crtc->crtc_offset, crtc_v_total_disp);
@@ -668,7 +727,7 @@ static void radeon_set_pll(struct drm_crtc *crtc, struct drm_display_mode *mode)
uint32_t pll_ref_div = 0;
uint32_t pll_fb_post_div = 0;
uint32_t htotal_cntl = 0;
-
+ bool is_tv = false;
struct radeon_pll *pll;
struct {
@@ -703,6 +762,13 @@ static void radeon_set_pll(struct drm_crtc *crtc, struct drm_display_mode *mode)
list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
if (encoder->crtc == crtc) {
+ struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
+
+ if (radeon_encoder->active_device & ATOM_DEVICE_TV_SUPPORT) {
+ is_tv = true;
+ break;
+ }
+
if (encoder->encoder_type != DRM_MODE_ENCODER_DAC)
pll_flags |= RADEON_PLL_NO_ODD_POST_DIV;
if (encoder->encoder_type == DRM_MODE_ENCODER_LVDS) {
@@ -766,6 +832,12 @@ static void radeon_set_pll(struct drm_crtc *crtc, struct drm_display_mode *mode)
~(RADEON_PIX2CLK_SRC_SEL_MASK)) |
RADEON_PIX2CLK_SRC_SEL_P2PLLCLK);
+ if (is_tv) {
+ radeon_legacy_tv_adjust_pll2(encoder, &htotal_cntl,
+ &pll_ref_div, &pll_fb_post_div,
+ &pixclks_cntl);
+ }
+
WREG32_PLL_P(RADEON_PIXCLKS_CNTL,
RADEON_PIX2CLK_SRC_SEL_CPUCLK,
~(RADEON_PIX2CLK_SRC_SEL_MASK));
@@ -820,6 +892,15 @@ static void radeon_set_pll(struct drm_crtc *crtc, struct drm_display_mode *mode)
WREG32_PLL(RADEON_PIXCLKS_CNTL, pixclks_cntl);
} else {
+ uint32_t pixclks_cntl;
+
+
+ if (is_tv) {
+ pixclks_cntl = RREG32_PLL(RADEON_PIXCLKS_CNTL);
+ radeon_legacy_tv_adjust_pll1(encoder, &htotal_cntl, &pll_ref_div,
+ &pll_fb_post_div, &pixclks_cntl);
+ }
+
if (rdev->flags & RADEON_IS_MOBILITY) {
/* A temporal workaround for the occational blanking on certain laptop panels.
This appears to related to the PLL divider registers (fail to lock?).
@@ -914,6 +995,8 @@ static void radeon_set_pll(struct drm_crtc *crtc, struct drm_display_mode *mode)
RADEON_VCLK_SRC_SEL_PPLLCLK,
~(RADEON_VCLK_SRC_SEL_MASK));
+ if (is_tv)
+ WREG32_PLL(RADEON_PIXCLKS_CNTL, pixclks_cntl);
}
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-20 05:58:18 +0000