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-rw-r--r--drivers/gpu/drm/i915/i915_drv.c4
-rw-r--r--drivers/gpu/drm/i915/intel_display.c22
-rw-r--r--drivers/gpu/drm/i915/intel_drv.h3
-rw-r--r--drivers/gpu/drm/i915/intel_sdvo.c88
-rw-r--r--drivers/gpu/drm/radeon/atombios_dp.c16
-rw-r--r--drivers/gpu/drm/radeon/evergreen.c44
-rw-r--r--drivers/gpu/drm/radeon/ni.c32
-rw-r--r--drivers/gpu/drm/radeon/r100.c4
-rw-r--r--drivers/gpu/drm/radeon/radeon_connectors.c8
-rw-r--r--drivers/gpu/drm/radeon/radeon_cursor.c40
-rw-r--r--drivers/gpu/drm/radeon/radeon_encoders.c9
-rw-r--r--drivers/gpu/drm/radeon/rv770.c51
12 files changed, 90 insertions, 231 deletions
diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
index ce045a8..f07e425 100644
--- a/drivers/gpu/drm/i915/i915_drv.c
+++ b/drivers/gpu/drm/i915/i915_drv.c
@@ -67,11 +67,11 @@ module_param_named(i915_enable_rc6, i915_enable_rc6, int, 0600);
MODULE_PARM_DESC(i915_enable_rc6,
"Enable power-saving render C-state 6 (default: true)");
-unsigned int i915_enable_fbc __read_mostly = 1;
+unsigned int i915_enable_fbc __read_mostly = -1;
module_param_named(i915_enable_fbc, i915_enable_fbc, int, 0600);
MODULE_PARM_DESC(i915_enable_fbc,
"Enable frame buffer compression for power savings "
- "(default: false)");
+ "(default: -1 (use per-chip default))");
unsigned int i915_lvds_downclock __read_mostly = 0;
module_param_named(lvds_downclock, i915_lvds_downclock, int, 0400);
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 56a8554..04411ad 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -1799,6 +1799,7 @@ static void intel_update_fbc(struct drm_device *dev)
struct drm_framebuffer *fb;
struct intel_framebuffer *intel_fb;
struct drm_i915_gem_object *obj;
+ int enable_fbc;
DRM_DEBUG_KMS("\n");
@@ -1839,8 +1840,15 @@ static void intel_update_fbc(struct drm_device *dev)
intel_fb = to_intel_framebuffer(fb);
obj = intel_fb->obj;
- if (!i915_enable_fbc) {
- DRM_DEBUG_KMS("fbc disabled per module param (default off)\n");
+ enable_fbc = i915_enable_fbc;
+ if (enable_fbc < 0) {
+ DRM_DEBUG_KMS("fbc set to per-chip default\n");
+ enable_fbc = 1;
+ if (INTEL_INFO(dev)->gen <= 5)
+ enable_fbc = 0;
+ }
+ if (!enable_fbc) {
+ DRM_DEBUG_KMS("fbc disabled per module param\n");
dev_priv->no_fbc_reason = FBC_MODULE_PARAM;
goto out_disable;
}
@@ -4687,13 +4695,13 @@ static bool intel_choose_pipe_bpp_dither(struct drm_crtc *crtc,
bpc = 6; /* min is 18bpp */
break;
case 24:
- bpc = min((unsigned int)8, display_bpc);
+ bpc = 8;
break;
case 30:
- bpc = min((unsigned int)10, display_bpc);
+ bpc = 10;
break;
case 48:
- bpc = min((unsigned int)12, display_bpc);
+ bpc = 12;
break;
default:
DRM_DEBUG("unsupported depth, assuming 24 bits\n");
@@ -4701,10 +4709,12 @@ static bool intel_choose_pipe_bpp_dither(struct drm_crtc *crtc,
break;
}
+ display_bpc = min(display_bpc, bpc);
+
DRM_DEBUG_DRIVER("setting pipe bpc to %d (max display bpc %d)\n",
bpc, display_bpc);
- *pipe_bpp = bpc * 3;
+ *pipe_bpp = display_bpc * 3;
return display_bpc != bpc;
}
diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h
index 0b2ee9d..fe1099d 100644
--- a/drivers/gpu/drm/i915/intel_drv.h
+++ b/drivers/gpu/drm/i915/intel_drv.h
@@ -337,9 +337,6 @@ extern void intel_release_load_detect_pipe(struct intel_encoder *intel_encoder,
struct drm_connector *connector,
struct intel_load_detect_pipe *old);
-extern struct drm_connector* intel_sdvo_find(struct drm_device *dev, int sdvoB);
-extern int intel_sdvo_supports_hotplug(struct drm_connector *connector);
-extern void intel_sdvo_set_hotplug(struct drm_connector *connector, int enable);
extern void intelfb_restore(void);
extern void intel_crtc_fb_gamma_set(struct drm_crtc *crtc, u16 red, u16 green,
u16 blue, int regno);
diff --git a/drivers/gpu/drm/i915/intel_sdvo.c b/drivers/gpu/drm/i915/intel_sdvo.c
index 30fe554..6348c49 100644
--- a/drivers/gpu/drm/i915/intel_sdvo.c
+++ b/drivers/gpu/drm/i915/intel_sdvo.c
@@ -92,6 +92,11 @@ struct intel_sdvo {
*/
uint16_t attached_output;
+ /*
+ * Hotplug activation bits for this device
+ */
+ uint8_t hotplug_active[2];
+
/**
* This is used to select the color range of RBG outputs in HDMI mode.
* It is only valid when using TMDS encoding and 8 bit per color mode.
@@ -1208,74 +1213,20 @@ static bool intel_sdvo_get_capabilities(struct intel_sdvo *intel_sdvo, struct in
return true;
}
-/* No use! */
-#if 0
-struct drm_connector* intel_sdvo_find(struct drm_device *dev, int sdvoB)
-{
- struct drm_connector *connector = NULL;
- struct intel_sdvo *iout = NULL;
- struct intel_sdvo *sdvo;
-
- /* find the sdvo connector */
- list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
- iout = to_intel_sdvo(connector);
-
- if (iout->type != INTEL_OUTPUT_SDVO)
- continue;
-
- sdvo = iout->dev_priv;
-
- if (sdvo->sdvo_reg == SDVOB && sdvoB)
- return connector;
-
- if (sdvo->sdvo_reg == SDVOC && !sdvoB)
- return connector;
-
- }
-
- return NULL;
-}
-
-int intel_sdvo_supports_hotplug(struct drm_connector *connector)
+static int intel_sdvo_supports_hotplug(struct intel_sdvo *intel_sdvo)
{
u8 response[2];
- u8 status;
- struct intel_sdvo *intel_sdvo;
- DRM_DEBUG_KMS("\n");
-
- if (!connector)
- return 0;
-
- intel_sdvo = to_intel_sdvo(connector);
return intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_HOT_PLUG_SUPPORT,
&response, 2) && response[0];
}
-void intel_sdvo_set_hotplug(struct drm_connector *connector, int on)
+static void intel_sdvo_enable_hotplug(struct intel_encoder *encoder)
{
- u8 response[2];
- u8 status;
- struct intel_sdvo *intel_sdvo = to_intel_sdvo(connector);
-
- intel_sdvo_write_cmd(intel_sdvo, SDVO_CMD_GET_ACTIVE_HOT_PLUG, NULL, 0);
- intel_sdvo_read_response(intel_sdvo, &response, 2);
-
- if (on) {
- intel_sdvo_write_cmd(intel_sdvo, SDVO_CMD_GET_HOT_PLUG_SUPPORT, NULL, 0);
- status = intel_sdvo_read_response(intel_sdvo, &response, 2);
-
- intel_sdvo_write_cmd(intel_sdvo, SDVO_CMD_SET_ACTIVE_HOT_PLUG, &response, 2);
- } else {
- response[0] = 0;
- response[1] = 0;
- intel_sdvo_write_cmd(intel_sdvo, SDVO_CMD_SET_ACTIVE_HOT_PLUG, &response, 2);
- }
+ struct intel_sdvo *intel_sdvo = to_intel_sdvo(&encoder->base);
- intel_sdvo_write_cmd(intel_sdvo, SDVO_CMD_GET_ACTIVE_HOT_PLUG, NULL, 0);
- intel_sdvo_read_response(intel_sdvo, &response, 2);
+ intel_sdvo_write_cmd(intel_sdvo, SDVO_CMD_SET_ACTIVE_HOT_PLUG, &intel_sdvo->hotplug_active, 2);
}
-#endif
static bool
intel_sdvo_multifunc_encoder(struct intel_sdvo *intel_sdvo)
@@ -2045,6 +1996,7 @@ intel_sdvo_dvi_init(struct intel_sdvo *intel_sdvo, int device)
{
struct drm_encoder *encoder = &intel_sdvo->base.base;
struct drm_connector *connector;
+ struct intel_encoder *intel_encoder = to_intel_encoder(encoder);
struct intel_connector *intel_connector;
struct intel_sdvo_connector *intel_sdvo_connector;
@@ -2062,7 +2014,17 @@ intel_sdvo_dvi_init(struct intel_sdvo *intel_sdvo, int device)
intel_connector = &intel_sdvo_connector->base;
connector = &intel_connector->base;
- connector->polled = DRM_CONNECTOR_POLL_CONNECT | DRM_CONNECTOR_POLL_DISCONNECT;
+ if (intel_sdvo_supports_hotplug(intel_sdvo) & (1 << device)) {
+ connector->polled = DRM_CONNECTOR_POLL_HPD;
+ intel_sdvo->hotplug_active[0] |= 1 << device;
+ /* Some SDVO devices have one-shot hotplug interrupts.
+ * Ensure that they get re-enabled when an interrupt happens.
+ */
+ intel_encoder->hot_plug = intel_sdvo_enable_hotplug;
+ intel_sdvo_enable_hotplug(intel_encoder);
+ }
+ else
+ connector->polled = DRM_CONNECTOR_POLL_CONNECT | DRM_CONNECTOR_POLL_DISCONNECT;
encoder->encoder_type = DRM_MODE_ENCODER_TMDS;
connector->connector_type = DRM_MODE_CONNECTOR_DVID;
@@ -2569,6 +2531,14 @@ bool intel_sdvo_init(struct drm_device *dev, int sdvo_reg)
if (!intel_sdvo_get_capabilities(intel_sdvo, &intel_sdvo->caps))
goto err;
+ /* Set up hotplug command - note paranoia about contents of reply.
+ * We assume that the hardware is in a sane state, and only touch
+ * the bits we think we understand.
+ */
+ intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_ACTIVE_HOT_PLUG,
+ &intel_sdvo->hotplug_active, 2);
+ intel_sdvo->hotplug_active[0] &= ~0x3;
+
if (intel_sdvo_output_setup(intel_sdvo,
intel_sdvo->caps.output_flags) != true) {
DRM_DEBUG_KMS("SDVO output failed to setup on SDVO%c\n",
diff --git a/drivers/gpu/drm/radeon/atombios_dp.c b/drivers/gpu/drm/radeon/atombios_dp.c
index 7ad43c6..4da2388 100644
--- a/drivers/gpu/drm/radeon/atombios_dp.c
+++ b/drivers/gpu/drm/radeon/atombios_dp.c
@@ -115,6 +115,7 @@ static int radeon_dp_aux_native_write(struct radeon_connector *radeon_connector,
u8 msg[20];
int msg_bytes = send_bytes + 4;
u8 ack;
+ unsigned retry;
if (send_bytes > 16)
return -1;
@@ -125,20 +126,20 @@ static int radeon_dp_aux_native_write(struct radeon_connector *radeon_connector,
msg[3] = (msg_bytes << 4) | (send_bytes - 1);
memcpy(&msg[4], send, send_bytes);
- while (1) {
+ for (retry = 0; retry < 4; retry++) {
ret = radeon_process_aux_ch(dig_connector->dp_i2c_bus,
msg, msg_bytes, NULL, 0, delay, &ack);
if (ret < 0)
return ret;
if ((ack & AUX_NATIVE_REPLY_MASK) == AUX_NATIVE_REPLY_ACK)
- break;
+ return send_bytes;
else if ((ack & AUX_NATIVE_REPLY_MASK) == AUX_NATIVE_REPLY_DEFER)
udelay(400);
else
return -EIO;
}
- return send_bytes;
+ return -EIO;
}
static int radeon_dp_aux_native_read(struct radeon_connector *radeon_connector,
@@ -149,26 +150,29 @@ static int radeon_dp_aux_native_read(struct radeon_connector *radeon_connector,
int msg_bytes = 4;
u8 ack;
int ret;
+ unsigned retry;
msg[0] = address;
msg[1] = address >> 8;
msg[2] = AUX_NATIVE_READ << 4;
msg[3] = (msg_bytes << 4) | (recv_bytes - 1);
- while (1) {
+ for (retry = 0; retry < 4; retry++) {
ret = radeon_process_aux_ch(dig_connector->dp_i2c_bus,
msg, msg_bytes, recv, recv_bytes, delay, &ack);
- if (ret == 0)
- return -EPROTO;
if (ret < 0)
return ret;
if ((ack & AUX_NATIVE_REPLY_MASK) == AUX_NATIVE_REPLY_ACK)
return ret;
else if ((ack & AUX_NATIVE_REPLY_MASK) == AUX_NATIVE_REPLY_DEFER)
udelay(400);
+ else if (ret == 0)
+ return -EPROTO;
else
return -EIO;
}
+
+ return -EIO;
}
static void radeon_write_dpcd_reg(struct radeon_connector *radeon_connector,
diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c
index e8a7467..c4ffa14f 100644
--- a/drivers/gpu/drm/radeon/evergreen.c
+++ b/drivers/gpu/drm/radeon/evergreen.c
@@ -1590,48 +1590,6 @@ static u32 evergreen_get_tile_pipe_to_backend_map(struct radeon_device *rdev,
return backend_map;
}
-static void evergreen_program_channel_remap(struct radeon_device *rdev)
-{
- u32 tcp_chan_steer_lo, tcp_chan_steer_hi, mc_shared_chremap, tmp;
-
- tmp = RREG32(MC_SHARED_CHMAP);
- switch ((tmp & NOOFCHAN_MASK) >> NOOFCHAN_SHIFT) {
- case 0:
- case 1:
- case 2:
- case 3:
- default:
- /* default mapping */
- mc_shared_chremap = 0x00fac688;
- break;
- }
-
- switch (rdev->family) {
- case CHIP_HEMLOCK:
- case CHIP_CYPRESS:
- case CHIP_BARTS:
- tcp_chan_steer_lo = 0x54763210;
- tcp_chan_steer_hi = 0x0000ba98;
- break;
- case CHIP_JUNIPER:
- case CHIP_REDWOOD:
- case CHIP_CEDAR:
- case CHIP_PALM:
- case CHIP_SUMO:
- case CHIP_SUMO2:
- case CHIP_TURKS:
- case CHIP_CAICOS:
- default:
- tcp_chan_steer_lo = 0x76543210;
- tcp_chan_steer_hi = 0x0000ba98;
- break;
- }
-
- WREG32(TCP_CHAN_STEER_LO, tcp_chan_steer_lo);
- WREG32(TCP_CHAN_STEER_HI, tcp_chan_steer_hi);
- WREG32(MC_SHARED_CHREMAP, mc_shared_chremap);
-}
-
static void evergreen_gpu_init(struct radeon_device *rdev)
{
u32 cc_rb_backend_disable = 0;
@@ -2078,8 +2036,6 @@ static void evergreen_gpu_init(struct radeon_device *rdev)
WREG32(DMIF_ADDR_CONFIG, gb_addr_config);
WREG32(HDP_ADDR_CONFIG, gb_addr_config);
- evergreen_program_channel_remap(rdev);
-
num_shader_engines = ((RREG32(GB_ADDR_CONFIG) & NUM_SHADER_ENGINES(3)) >> 12) + 1;
grbm_gfx_index = INSTANCE_BROADCAST_WRITES;
diff --git a/drivers/gpu/drm/radeon/ni.c b/drivers/gpu/drm/radeon/ni.c
index 99fbd79..8c79ca9 100644
--- a/drivers/gpu/drm/radeon/ni.c
+++ b/drivers/gpu/drm/radeon/ni.c
@@ -569,36 +569,6 @@ static u32 cayman_get_tile_pipe_to_backend_map(struct radeon_device *rdev,
return backend_map;
}
-static void cayman_program_channel_remap(struct radeon_device *rdev)
-{
- u32 tcp_chan_steer_lo, tcp_chan_steer_hi, mc_shared_chremap, tmp;
-
- tmp = RREG32(MC_SHARED_CHMAP);
- switch ((tmp & NOOFCHAN_MASK) >> NOOFCHAN_SHIFT) {
- case 0:
- case 1:
- case 2:
- case 3:
- default:
- /* default mapping */
- mc_shared_chremap = 0x00fac688;
- break;
- }
-
- switch (rdev->family) {
- case CHIP_CAYMAN:
- default:
- //tcp_chan_steer_lo = 0x54763210
- tcp_chan_steer_lo = 0x76543210;
- tcp_chan_steer_hi = 0x0000ba98;
- break;
- }
-
- WREG32(TCP_CHAN_STEER_LO, tcp_chan_steer_lo);
- WREG32(TCP_CHAN_STEER_HI, tcp_chan_steer_hi);
- WREG32(MC_SHARED_CHREMAP, mc_shared_chremap);
-}
-
static u32 cayman_get_disable_mask_per_asic(struct radeon_device *rdev,
u32 disable_mask_per_se,
u32 max_disable_mask_per_se,
@@ -842,8 +812,6 @@ static void cayman_gpu_init(struct radeon_device *rdev)
WREG32(DMIF_ADDR_CONFIG, gb_addr_config);
WREG32(HDP_ADDR_CONFIG, gb_addr_config);
- cayman_program_channel_remap(rdev);
-
/* primary versions */
WREG32(CC_RB_BACKEND_DISABLE, cc_rb_backend_disable);
WREG32(CC_SYS_RB_BACKEND_DISABLE, cc_rb_backend_disable);
diff --git a/drivers/gpu/drm/radeon/r100.c b/drivers/gpu/drm/radeon/r100.c
index 5b1837b..7fcdbbb 100644
--- a/drivers/gpu/drm/radeon/r100.c
+++ b/drivers/gpu/drm/radeon/r100.c
@@ -773,8 +773,8 @@ int r100_copy_blit(struct radeon_device *rdev,
radeon_ring_write(rdev, (0x1fff) | (0x1fff << 16));
radeon_ring_write(rdev, 0);
radeon_ring_write(rdev, (0x1fff) | (0x1fff << 16));
- radeon_ring_write(rdev, cur_pages);
- radeon_ring_write(rdev, cur_pages);
+ radeon_ring_write(rdev, num_gpu_pages);
+ radeon_ring_write(rdev, num_gpu_pages);
radeon_ring_write(rdev, cur_pages | (stride_pixels << 16));
}
radeon_ring_write(rdev, PACKET0(RADEON_DSTCACHE_CTLSTAT, 0));
diff --git a/drivers/gpu/drm/radeon/radeon_connectors.c b/drivers/gpu/drm/radeon/radeon_connectors.c
index c4b8741..bce63fd 100644
--- a/drivers/gpu/drm/radeon/radeon_connectors.c
+++ b/drivers/gpu/drm/radeon/radeon_connectors.c
@@ -68,11 +68,11 @@ void radeon_connector_hotplug(struct drm_connector *connector)
if (connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort) {
int saved_dpms = connector->dpms;
- if (radeon_hpd_sense(rdev, radeon_connector->hpd.hpd) &&
- radeon_dp_needs_link_train(radeon_connector))
- drm_helper_connector_dpms(connector, DRM_MODE_DPMS_ON);
- else
+ /* Only turn off the display it it's physically disconnected */
+ if (!radeon_hpd_sense(rdev, radeon_connector->hpd.hpd))
drm_helper_connector_dpms(connector, DRM_MODE_DPMS_OFF);
+ else if (radeon_dp_needs_link_train(radeon_connector))
+ drm_helper_connector_dpms(connector, DRM_MODE_DPMS_ON);
connector->dpms = saved_dpms;
}
}
diff --git a/drivers/gpu/drm/radeon/radeon_cursor.c b/drivers/gpu/drm/radeon/radeon_cursor.c
index 3189a7e..fde25c0 100644
--- a/drivers/gpu/drm/radeon/radeon_cursor.c
+++ b/drivers/gpu/drm/radeon/radeon_cursor.c
@@ -208,23 +208,25 @@ int radeon_crtc_cursor_move(struct drm_crtc *crtc,
int xorigin = 0, yorigin = 0;
int w = radeon_crtc->cursor_width;
- if (x < 0)
- xorigin = -x + 1;
- if (y < 0)
- yorigin = -y + 1;
- if (xorigin >= CURSOR_WIDTH)
- xorigin = CURSOR_WIDTH - 1;
- if (yorigin >= CURSOR_HEIGHT)
- yorigin = CURSOR_HEIGHT - 1;
-
if (ASIC_IS_AVIVO(rdev)) {
- int i = 0;
- struct drm_crtc *crtc_p;
-
/* avivo cursor are offset into the total surface */
x += crtc->x;
y += crtc->y;
- DRM_DEBUG("x %d y %d c->x %d c->y %d\n", x, y, crtc->x, crtc->y);
+ }
+ DRM_DEBUG("x %d y %d c->x %d c->y %d\n", x, y, crtc->x, crtc->y);
+
+ if (x < 0) {
+ xorigin = min(-x, CURSOR_WIDTH - 1);
+ x = 0;
+ }
+ if (y < 0) {
+ yorigin = min(-y, CURSOR_HEIGHT - 1);
+ y = 0;
+ }
+
+ if (ASIC_IS_AVIVO(rdev)) {
+ int i = 0;
+ struct drm_crtc *crtc_p;
/* avivo cursor image can't end on 128 pixel boundary or
* go past the end of the frame if both crtcs are enabled
@@ -253,16 +255,12 @@ int radeon_crtc_cursor_move(struct drm_crtc *crtc,
radeon_lock_cursor(crtc, true);
if (ASIC_IS_DCE4(rdev)) {
- WREG32(EVERGREEN_CUR_POSITION + radeon_crtc->crtc_offset,
- ((xorigin ? 0 : x) << 16) |
- (yorigin ? 0 : y));
+ WREG32(EVERGREEN_CUR_POSITION + radeon_crtc->crtc_offset, (x << 16) | y);
WREG32(EVERGREEN_CUR_HOT_SPOT + radeon_crtc->crtc_offset, (xorigin << 16) | yorigin);
WREG32(EVERGREEN_CUR_SIZE + radeon_crtc->crtc_offset,
((w - 1) << 16) | (radeon_crtc->cursor_height - 1));
} else if (ASIC_IS_AVIVO(rdev)) {
- WREG32(AVIVO_D1CUR_POSITION + radeon_crtc->crtc_offset,
- ((xorigin ? 0 : x) << 16) |
- (yorigin ? 0 : y));
+ WREG32(AVIVO_D1CUR_POSITION + radeon_crtc->crtc_offset, (x << 16) | y);
WREG32(AVIVO_D1CUR_HOT_SPOT + radeon_crtc->crtc_offset, (xorigin << 16) | yorigin);
WREG32(AVIVO_D1CUR_SIZE + radeon_crtc->crtc_offset,
((w - 1) << 16) | (radeon_crtc->cursor_height - 1));
@@ -276,8 +274,8 @@ int radeon_crtc_cursor_move(struct drm_crtc *crtc,
| yorigin));
WREG32(RADEON_CUR_HORZ_VERT_POSN + radeon_crtc->crtc_offset,
(RADEON_CUR_LOCK
- | ((xorigin ? 0 : x) << 16)
- | (yorigin ? 0 : y)));
+ | (x << 16)
+ | y));
/* offset is from DISP(2)_BASE_ADDRESS */
WREG32(RADEON_CUR_OFFSET + radeon_crtc->crtc_offset, (radeon_crtc->legacy_cursor_offset +
(yorigin * 256)));
diff --git a/drivers/gpu/drm/radeon/radeon_encoders.c b/drivers/gpu/drm/radeon/radeon_encoders.c
index 319d85d..13690f3 100644
--- a/drivers/gpu/drm/radeon/radeon_encoders.c
+++ b/drivers/gpu/drm/radeon/radeon_encoders.c
@@ -1507,7 +1507,14 @@ radeon_atom_encoder_dpms(struct drm_encoder *encoder, int mode)
switch (mode) {
case DRM_MODE_DPMS_ON:
args.ucAction = ATOM_ENABLE;
- atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
+ /* workaround for DVOOutputControl on some RS690 systems */
+ if (radeon_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_DDI) {
+ u32 reg = RREG32(RADEON_BIOS_3_SCRATCH);
+ WREG32(RADEON_BIOS_3_SCRATCH, reg & ~ATOM_S3_DFP2I_ACTIVE);
+ atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
+ WREG32(RADEON_BIOS_3_SCRATCH, reg);
+ } else
+ atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
args.ucAction = ATOM_LCD_BLON;
atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
diff --git a/drivers/gpu/drm/radeon/rv770.c b/drivers/gpu/drm/radeon/rv770.c
index 4720d00..b13c2ee 100644
--- a/drivers/gpu/drm/radeon/rv770.c
+++ b/drivers/gpu/drm/radeon/rv770.c
@@ -536,55 +536,6 @@ static u32 r700_get_tile_pipe_to_backend_map(struct radeon_device *rdev,
return backend_map;
}
-static void rv770_program_channel_remap(struct radeon_device *rdev)
-{
- u32 tcp_chan_steer, mc_shared_chremap, tmp;
- bool force_no_swizzle;
-
- switch (rdev->family) {
- case CHIP_RV770:
- case CHIP_RV730:
- force_no_swizzle = false;
- break;
- case CHIP_RV710:
- case CHIP_RV740:
- default:
- force_no_swizzle = true;
- break;
- }
-
- tmp = RREG32(MC_SHARED_CHMAP);
- switch ((tmp & NOOFCHAN_MASK) >> NOOFCHAN_SHIFT) {
- case 0:
- case 1:
- default:
- /* default mapping */
- mc_shared_chremap = 0x00fac688;
- break;
- case 2:
- case 3:
- if (force_no_swizzle)
- mc_shared_chremap = 0x00fac688;
- else
- mc_shared_chremap = 0x00bbc298;
- break;
- }
-
- if (rdev->family == CHIP_RV740)
- tcp_chan_steer = 0x00ef2a60;
- else
- tcp_chan_steer = 0x00fac688;
-
- /* RV770 CE has special chremap setup */
- if (rdev->pdev->device == 0x944e) {
- tcp_chan_steer = 0x00b08b08;
- mc_shared_chremap = 0x00b08b08;
- }
-
- WREG32(TCP_CHAN_STEER, tcp_chan_steer);
- WREG32(MC_SHARED_CHREMAP, mc_shared_chremap);
-}
-
static void rv770_gpu_init(struct radeon_device *rdev)
{
int i, j, num_qd_pipes;
@@ -785,8 +736,6 @@ static void rv770_gpu_init(struct radeon_device *rdev)
WREG32(DCP_TILING_CONFIG, (gb_tiling_config & 0xffff));
WREG32(HDP_TILING_CONFIG, (gb_tiling_config & 0xffff));
- rv770_program_channel_remap(rdev);
-
WREG32(CC_RB_BACKEND_DISABLE, cc_rb_backend_disable);
WREG32(CC_GC_SHADER_PIPE_CONFIG, cc_gc_shader_pipe_config);
WREG32(GC_USER_SHADER_PIPE_CONFIG, cc_gc_shader_pipe_config);
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