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-rw-r--r--drivers/gpu/drm/radeon/r600_reg.h9
-rw-r--r--drivers/gpu/drm/radeon/radeon_asic.h1
-rw-r--r--drivers/gpu/drm/radeon/rv515.c122
3 files changed, 116 insertions, 16 deletions
diff --git a/drivers/gpu/drm/radeon/r600_reg.h b/drivers/gpu/drm/radeon/r600_reg.h
index 2b960cb5c18a..909219b1bf80 100644
--- a/drivers/gpu/drm/radeon/r600_reg.h
+++ b/drivers/gpu/drm/radeon/r600_reg.h
@@ -96,6 +96,15 @@
#define R600_CONFIG_F0_BASE 0x542C
#define R600_CONFIG_APER_SIZE 0x5430
+#define R600_BIF_FB_EN 0x5490
+#define R600_FB_READ_EN (1 << 0)
+#define R600_FB_WRITE_EN (1 << 1)
+
+#define R600_CITF_CNTL 0x200c
+#define R600_BLACKOUT_MASK 0x00000003
+
+#define R700_MC_CITF_CNTL 0x25c0
+
#define R600_ROM_CNTL 0x1600
# define R600_SCK_OVERWRITE (1 << 1)
# define R600_SCK_PRESCALE_CRYSTAL_CLK_SHIFT 28
diff --git a/drivers/gpu/drm/radeon/radeon_asic.h b/drivers/gpu/drm/radeon/radeon_asic.h
index ae56673d2410..c338931190a5 100644
--- a/drivers/gpu/drm/radeon/radeon_asic.h
+++ b/drivers/gpu/drm/radeon/radeon_asic.h
@@ -263,6 +263,7 @@ extern int rs690_mc_wait_for_idle(struct radeon_device *rdev);
struct rv515_mc_save {
u32 vga_render_control;
u32 vga_hdp_control;
+ bool crtc_enabled[2];
};
int rv515_init(struct radeon_device *rdev);
diff --git a/drivers/gpu/drm/radeon/rv515.c b/drivers/gpu/drm/radeon/rv515.c
index 785d09590b24..2bb6d0e84b3d 100644
--- a/drivers/gpu/drm/radeon/rv515.c
+++ b/drivers/gpu/drm/radeon/rv515.c
@@ -40,6 +40,12 @@ static int rv515_debugfs_ga_info_init(struct radeon_device *rdev);
static void rv515_gpu_init(struct radeon_device *rdev);
int rv515_mc_wait_for_idle(struct radeon_device *rdev);
+static const u32 crtc_offsets[2] =
+{
+ 0,
+ AVIVO_D2CRTC_H_TOTAL - AVIVO_D1CRTC_H_TOTAL
+};
+
void rv515_debugfs(struct radeon_device *rdev)
{
if (r100_debugfs_rbbm_init(rdev)) {
@@ -281,30 +287,114 @@ static int rv515_debugfs_ga_info_init(struct radeon_device *rdev)
void rv515_mc_stop(struct radeon_device *rdev, struct rv515_mc_save *save)
{
+ u32 crtc_enabled, tmp, frame_count, blackout;
+ int i, j;
+
save->vga_render_control = RREG32(R_000300_VGA_RENDER_CONTROL);
save->vga_hdp_control = RREG32(R_000328_VGA_HDP_CONTROL);
- /* Stop all video */
- WREG32(R_0068E8_D2CRTC_UPDATE_LOCK, 0);
+ /* disable VGA render */
WREG32(R_000300_VGA_RENDER_CONTROL, 0);
- WREG32(R_0060E8_D1CRTC_UPDATE_LOCK, 1);
- WREG32(R_0068E8_D2CRTC_UPDATE_LOCK, 1);
- WREG32(R_006080_D1CRTC_CONTROL, 0);
- WREG32(R_006880_D2CRTC_CONTROL, 0);
- WREG32(R_0060E8_D1CRTC_UPDATE_LOCK, 0);
- WREG32(R_0068E8_D2CRTC_UPDATE_LOCK, 0);
- WREG32(R_000330_D1VGA_CONTROL, 0);
- WREG32(R_000338_D2VGA_CONTROL, 0);
+ /* blank the display controllers */
+ for (i = 0; i < rdev->num_crtc; i++) {
+ crtc_enabled = RREG32(AVIVO_D1CRTC_CONTROL + crtc_offsets[i]) & AVIVO_CRTC_EN;
+ if (crtc_enabled) {
+ save->crtc_enabled[i] = true;
+ tmp = RREG32(AVIVO_D1CRTC_CONTROL + crtc_offsets[i]);
+ if (!(tmp & AVIVO_CRTC_DISP_READ_REQUEST_DISABLE)) {
+ radeon_wait_for_vblank(rdev, i);
+ tmp |= AVIVO_CRTC_DISP_READ_REQUEST_DISABLE;
+ WREG32(AVIVO_D1CRTC_CONTROL + crtc_offsets[i], tmp);
+ }
+ /* wait for the next frame */
+ frame_count = radeon_get_vblank_counter(rdev, i);
+ for (j = 0; j < rdev->usec_timeout; j++) {
+ if (radeon_get_vblank_counter(rdev, i) != frame_count)
+ break;
+ udelay(1);
+ }
+ } else {
+ save->crtc_enabled[i] = false;
+ }
+ }
+
+ radeon_mc_wait_for_idle(rdev);
+
+ if (rdev->family >= CHIP_R600) {
+ if (rdev->family >= CHIP_RV770)
+ blackout = RREG32(R700_MC_CITF_CNTL);
+ else
+ blackout = RREG32(R600_CITF_CNTL);
+ if ((blackout & R600_BLACKOUT_MASK) != R600_BLACKOUT_MASK) {
+ /* Block CPU access */
+ WREG32(R600_BIF_FB_EN, 0);
+ /* blackout the MC */
+ blackout |= R600_BLACKOUT_MASK;
+ if (rdev->family >= CHIP_RV770)
+ WREG32(R700_MC_CITF_CNTL, blackout);
+ else
+ WREG32(R600_CITF_CNTL, blackout);
+ }
+ }
}
void rv515_mc_resume(struct radeon_device *rdev, struct rv515_mc_save *save)
{
- WREG32(R_006110_D1GRPH_PRIMARY_SURFACE_ADDRESS, rdev->mc.vram_start);
- WREG32(R_006118_D1GRPH_SECONDARY_SURFACE_ADDRESS, rdev->mc.vram_start);
- WREG32(R_006910_D2GRPH_PRIMARY_SURFACE_ADDRESS, rdev->mc.vram_start);
- WREG32(R_006918_D2GRPH_SECONDARY_SURFACE_ADDRESS, rdev->mc.vram_start);
- WREG32(R_000310_VGA_MEMORY_BASE_ADDRESS, rdev->mc.vram_start);
- /* Unlock host access */
+ u32 tmp, frame_count;
+ int i, j;
+
+ /* update crtc base addresses */
+ for (i = 0; i < rdev->num_crtc; i++) {
+ if (rdev->family >= CHIP_RV770) {
+ if (i == 1) {
+ WREG32(R700_D1GRPH_PRIMARY_SURFACE_ADDRESS_HIGH,
+ upper_32_bits(rdev->mc.vram_start));
+ WREG32(R700_D1GRPH_SECONDARY_SURFACE_ADDRESS_HIGH,
+ upper_32_bits(rdev->mc.vram_start));
+ } else {
+ WREG32(R700_D2GRPH_PRIMARY_SURFACE_ADDRESS_HIGH,
+ upper_32_bits(rdev->mc.vram_start));
+ WREG32(R700_D2GRPH_SECONDARY_SURFACE_ADDRESS_HIGH,
+ upper_32_bits(rdev->mc.vram_start));
+ }
+ }
+ WREG32(R_006110_D1GRPH_PRIMARY_SURFACE_ADDRESS + crtc_offsets[i],
+ (u32)rdev->mc.vram_start);
+ WREG32(R_006118_D1GRPH_SECONDARY_SURFACE_ADDRESS + crtc_offsets[i],
+ (u32)rdev->mc.vram_start);
+ }
+ WREG32(R_000310_VGA_MEMORY_BASE_ADDRESS, (u32)rdev->mc.vram_start);
+
+ if (rdev->family >= CHIP_R600) {
+ /* unblackout the MC */
+ if (rdev->family >= CHIP_RV770)
+ tmp = RREG32(R700_MC_CITF_CNTL);
+ else
+ tmp = RREG32(R600_CITF_CNTL);
+ tmp &= ~R600_BLACKOUT_MASK;
+ if (rdev->family >= CHIP_RV770)
+ WREG32(R700_MC_CITF_CNTL, tmp);
+ else
+ WREG32(R600_CITF_CNTL, tmp);
+ /* allow CPU access */
+ WREG32(R600_BIF_FB_EN, R600_FB_READ_EN | R600_FB_WRITE_EN);
+ }
+
+ for (i = 0; i < rdev->num_crtc; i++) {
+ if (save->crtc_enabled[i]) {
+ tmp = RREG32(AVIVO_D1CRTC_CONTROL + crtc_offsets[i]);
+ tmp &= ~AVIVO_CRTC_DISP_READ_REQUEST_DISABLE;
+ WREG32(AVIVO_D1CRTC_CONTROL + crtc_offsets[i], tmp);
+ /* wait for the next frame */
+ frame_count = radeon_get_vblank_counter(rdev, i);
+ for (j = 0; j < rdev->usec_timeout; j++) {
+ if (radeon_get_vblank_counter(rdev, i) != frame_count)
+ break;
+ udelay(1);
+ }
+ }
+ }
+ /* Unlock vga access */
WREG32(R_000328_VGA_HDP_CONTROL, save->vga_hdp_control);
mdelay(1);
WREG32(R_000300_VGA_RENDER_CONTROL, save->vga_render_control);
generated by cgit v1.2.3 (git 2.39.0) at 2024-12-24 02:31:15 +0300