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WSL2-Linux-Kernel
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Merge branch 'drm-fixes' of git://people.freedesktop.org/~airlied/linux 

Pull drm fixes from Dave Airlie:
 "This contains fixes for exynos, amdgpu, radeon, i915 and qxl.

  It also contains some fixes to the core drm edid parser.

  qxl:
   - fix for a cursor hotspot issue

  radeon:
   - some MST fixes that I've been running locally and make my monitor a
     bit happier

  exynos:
   - fix some regressions and build fixes

  amdgpu:
   - a couple of small fixes

  i915:
   - two DP MST fixes and a couple of other regression fixes

  Nothing too out of the ordinary or surprising at this point"

* 'drm-fixes' of git://people.freedesktop.org/~airlied/linux:
  drm/exynos: Use VIDEO_SAMSUNG_S5P_G2D=n as G2D Kconfig dependency
  drm/exynos: fix a warning message
  drm/exynos: mic: fix an error code
  drm/exynos: fimd: fix broken dp_clock control
  drm/exynos: build fbdev code conditionally
  drm/exynos: fix adjusted_mode pointer in exynos_plane_mode_set
  drm/exynos: fix error handling in exynos_drm_subdrv_open
  drm/amd/amdgpu: fix irq domain remove for tonga ih
  drm/i915: fix deadlock on lid open
  drm/radeon: use helper for mst connector dpms.
  drm/radeon/mst: port some MST setup code from DAL.
  drm/amdgpu: add invisible pin size statistic
  drm/edid: Fix DMT 1024x768@43Hz (interlaced) timings
  drm/i915: Exit cherryview_irq_handler() after one pass
  drm/i915: Call intel_dp_mst_resume() before resuming displays
  drm/i915: Fix race condition in intel_dp_destroy_mst_connector()
  drm/edid: Fix parsing of EDID 1.4 Established Timings III descriptor
  drm/edid: Fix EDID Established Timings I and II
  drm/qxl: fix cursor position with non-zero hotspot
This commit is contained in:
Linus Torvalds 2016-04-15 14:59:28 -07:00
Родитель 60ea7bb007 ff3e84e8e4
Коммит ab5f9ebac1
22 изменённых файлов: 104 добавлений и 62 удалений
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1
drivers/gpu/drm/amd/amdgpu/amdgpu.h
Просмотреть файл

@ -2034,6 +2034,7 @@ struct amdgpu_device {
/* tracking pinned memory */
u64 vram_pin_size;
u64 invisible_pin_size;
u64 gart_pin_size;
/* amdkfd interface */

2
drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
Просмотреть файл

@ -384,7 +384,7 @@ static int amdgpu_info_ioctl(struct drm_device *dev, void *data, struct drm_file
vram_gtt.vram_size = adev->mc.real_vram_size;
vram_gtt.vram_size -= adev->vram_pin_size;
vram_gtt.vram_cpu_accessible_size = adev->mc.visible_vram_size;
vram_gtt.vram_cpu_accessible_size -= adev->vram_pin_size;
vram_gtt.vram_cpu_accessible_size -= (adev->vram_pin_size - adev->invisible_pin_size);
vram_gtt.gtt_size = adev->mc.gtt_size;
vram_gtt.gtt_size -= adev->gart_pin_size;
return copy_to_user(out, &vram_gtt,

12
drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
Просмотреть файл

@ -424,9 +424,11 @@ int amdgpu_bo_pin_restricted(struct amdgpu_bo *bo, u32 domain,
bo->pin_count = 1;
if (gpu_addr != NULL)
*gpu_addr = amdgpu_bo_gpu_offset(bo);
if (domain == AMDGPU_GEM_DOMAIN_VRAM)
if (domain == AMDGPU_GEM_DOMAIN_VRAM) {
bo->adev->vram_pin_size += amdgpu_bo_size(bo);
else
if (bo->flags & AMDGPU_GEM_CREATE_NO_CPU_ACCESS)
bo->adev->invisible_pin_size += amdgpu_bo_size(bo);
} else
bo->adev->gart_pin_size += amdgpu_bo_size(bo);
} else {
dev_err(bo->adev->dev, "%p pin failed\n", bo);
@ -456,9 +458,11 @@ int amdgpu_bo_unpin(struct amdgpu_bo *bo)
}
r = ttm_bo_validate(&bo->tbo, &bo->placement, false, false);
if (likely(r == 0)) {
if (bo->tbo.mem.mem_type == TTM_PL_VRAM)
if (bo->tbo.mem.mem_type == TTM_PL_VRAM) {
bo->adev->vram_pin_size -= amdgpu_bo_size(bo);
else
if (bo->flags & AMDGPU_GEM_CREATE_NO_CPU_ACCESS)
bo->adev->invisible_pin_size -= amdgpu_bo_size(bo);
} else
bo->adev->gart_pin_size -= amdgpu_bo_size(bo);
} else {
dev_err(bo->adev->dev, "%p validate failed for unpin\n", bo);

2
drivers/gpu/drm/amd/amdgpu/tonga_ih.c
Просмотреть файл

@ -307,7 +307,7 @@ static int tonga_ih_sw_fini(void *handle)
amdgpu_irq_fini(adev);
amdgpu_ih_ring_fini(adev);
amdgpu_irq_add_domain(adev);
amdgpu_irq_remove_domain(adev);
return 0;
}

10
drivers/gpu/drm/drm_edid.c
Просмотреть файл

@ -205,7 +205,7 @@ static const struct drm_display_mode drm_dmt_modes[] = {
DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
/* 0x0f - 1024x768@43Hz, interlace */
{ DRM_MODE("1024x768i", DRM_MODE_TYPE_DRIVER, 44900, 1024, 1032,
1208, 1264, 0, 768, 768, 772, 817, 0,
1208, 1264, 0, 768, 768, 776, 817, 0,
DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC |
DRM_MODE_FLAG_INTERLACE) },
/* 0x10 - 1024x768@60Hz */
@ -522,12 +522,12 @@ static const struct drm_display_mode edid_est_modes[] = {
720, 840, 0, 480, 481, 484, 500, 0,
DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 640x480@75Hz */
{ DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 31500, 640, 664,
704, 832, 0, 480, 489, 491, 520, 0,
704, 832, 0, 480, 489, 492, 520, 0,
DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 640x480@72Hz */
{ DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 30240, 640, 704,
768, 864, 0, 480, 483, 486, 525, 0,
DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 640x480@67Hz */
{ DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 25200, 640, 656,
{ DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 25175, 640, 656,
752, 800, 0, 480, 490, 492, 525, 0,
DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 640x480@60Hz */
{ DRM_MODE("720x400", DRM_MODE_TYPE_DRIVER, 35500, 720, 738,
@ -539,7 +539,7 @@ static const struct drm_display_mode edid_est_modes[] = {
{ DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 135000, 1280, 1296,
1440, 1688, 0, 1024, 1025, 1028, 1066, 0,
DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 1280x1024@75Hz */
{ DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 78800, 1024, 1040,
{ DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 78750, 1024, 1040,
1136, 1312, 0, 768, 769, 772, 800, 0,
DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 1024x768@75Hz */
{ DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 75000, 1024, 1048,
@ -2241,7 +2241,7 @@ drm_est3_modes(struct drm_connector *connector, struct detailed_timing *timing)
{
int i, j, m, modes = 0;
struct drm_display_mode *mode;
u8 *est = ((u8 *)timing) + 5;
u8 *est = ((u8 *)timing) + 6;
for (i = 0; i < 6; i++) {
for (j = 7; j >= 0; j--) {

2
drivers/gpu/drm/exynos/Kconfig
Просмотреть файл

@ -94,7 +94,7 @@ comment "Sub-drivers"
config DRM_EXYNOS_G2D
bool "G2D"
depends on !VIDEO_SAMSUNG_S5P_G2D
depends on VIDEO_SAMSUNG_S5P_G2D=n
select FRAME_VECTOR
help
Choose this option if you want to use Exynos G2D for DRM.

6
drivers/gpu/drm/exynos/Makefile
Просмотреть файл

@ -2,10 +2,10 @@
# Makefile for the drm device driver. This driver provides support for the
# Direct Rendering Infrastructure (DRI) in XFree86 4.1.0 and higher.
exynosdrm-y := exynos_drm_drv.o exynos_drm_crtc.o exynos_drm_fbdev.o \
exynos_drm_fb.o exynos_drm_gem.o exynos_drm_core.o \
exynos_drm_plane.o
exynosdrm-y := exynos_drm_drv.o exynos_drm_crtc.o exynos_drm_fb.o \
exynos_drm_gem.o exynos_drm_core.o exynos_drm_plane.o
exynosdrm-$(CONFIG_DRM_FBDEV_EMULATION) += exynos_drm_fbdev.o
exynosdrm-$(CONFIG_DRM_EXYNOS_IOMMU) += exynos_drm_iommu.o
exynosdrm-$(CONFIG_DRM_EXYNOS_FIMD) += exynos_drm_fimd.o
exynosdrm-$(CONFIG_DRM_EXYNOS5433_DECON) += exynos5433_drm_decon.o

2
drivers/gpu/drm/exynos/exynos_drm_core.c
Просмотреть файл

@ -101,7 +101,7 @@ int exynos_drm_subdrv_open(struct drm_device *dev, struct drm_file *file)
return 0;
err:
list_for_each_entry_reverse(subdrv, &subdrv->list, list) {
list_for_each_entry_continue_reverse(subdrv, &exynos_drm_subdrv_list, list) {
if (subdrv->close)
subdrv->close(dev, subdrv->dev, file);
}

11
drivers/gpu/drm/exynos/exynos_drm_fb.c
Просмотреть файл

@ -199,17 +199,6 @@ dma_addr_t exynos_drm_fb_dma_addr(struct drm_framebuffer *fb, int index)
return exynos_fb->dma_addr[index];
}
static void exynos_drm_output_poll_changed(struct drm_device *dev)
{
struct exynos_drm_private *private = dev->dev_private;
struct drm_fb_helper *fb_helper = private->fb_helper;
if (fb_helper)
drm_fb_helper_hotplug_event(fb_helper);
else
exynos_drm_fbdev_init(dev);
}
static const struct drm_mode_config_funcs exynos_drm_mode_config_funcs = {
.fb_create = exynos_user_fb_create,
.output_poll_changed = exynos_drm_output_poll_changed,

11
drivers/gpu/drm/exynos/exynos_drm_fbdev.c
Просмотреть файл

@ -317,3 +317,14 @@ void exynos_drm_fbdev_restore_mode(struct drm_device *dev)
drm_fb_helper_restore_fbdev_mode_unlocked(private->fb_helper);
}
void exynos_drm_output_poll_changed(struct drm_device *dev)
{
struct exynos_drm_private *private = dev->dev_private;
struct drm_fb_helper *fb_helper = private->fb_helper;
if (fb_helper)
drm_fb_helper_hotplug_event(fb_helper);
else
exynos_drm_fbdev_init(dev);
}

23
drivers/gpu/drm/exynos/exynos_drm_fbdev.h
Просмотреть файл

@ -15,9 +15,30 @@
#ifndef _EXYNOS_DRM_FBDEV_H_
#define _EXYNOS_DRM_FBDEV_H_
#ifdef CONFIG_DRM_FBDEV_EMULATION
int exynos_drm_fbdev_init(struct drm_device *dev);
int exynos_drm_fbdev_reinit(struct drm_device *dev);
void exynos_drm_fbdev_fini(struct drm_device *dev);
void exynos_drm_fbdev_restore_mode(struct drm_device *dev);
void exynos_drm_output_poll_changed(struct drm_device *dev);
#else
static inline int exynos_drm_fbdev_init(struct drm_device *dev)
{
return 0;
}
static inline void exynos_drm_fbdev_fini(struct drm_device *dev)
{
}
static inline void exynos_drm_fbdev_restore_mode(struct drm_device *dev)
{
}
#define exynos_drm_output_poll_changed (NULL)
#endif
#endif

2
drivers/gpu/drm/exynos/exynos_drm_fimd.c
Просмотреть файл

@ -888,7 +888,7 @@ static void fimd_dp_clock_enable(struct exynos_drm_crtc *crtc, bool enable)
* clock. On these SoCs the bootloader may enable it but any
* power domain off/on will reset it to disable state.
*/
if (ctx->driver_data != &exynos5_fimd_driver_data ||
if (ctx->driver_data != &exynos5_fimd_driver_data &&
ctx->driver_data != &exynos5420_fimd_driver_data)
return;

3
drivers/gpu/drm/exynos/exynos_drm_mic.c
Просмотреть файл

@ -129,7 +129,7 @@ static void mic_set_path(struct exynos_mic *mic, bool enable)
} else
val &= ~(MIC0_RGB_MUX | MIC0_I80_MUX | MIC0_ON_MUX);
regmap_write(mic->sysreg, DSD_CFG_MUX, val);
ret = regmap_write(mic->sysreg, DSD_CFG_MUX, val);
if (ret)
DRM_ERROR("mic: Failed to read system register\n");
}
@ -457,6 +457,7 @@ static int exynos_mic_probe(struct platform_device *pdev)
"samsung,disp-syscon");
if (IS_ERR(mic->sysreg)) {
DRM_ERROR("mic: Failed to get system register.\n");
ret = PTR_ERR(mic->sysreg);
goto err;
}

12
drivers/gpu/drm/exynos/exynos_drm_plane.c
Просмотреть файл

@ -11,9 +11,10 @@
#include <drm/drmP.h>
#include <drm/exynos_drm.h>
#include <drm/drm_plane_helper.h>
#include <drm/drm_atomic.h>
#include <drm/drm_atomic_helper.h>
#include <drm/drm_plane_helper.h>
#include <drm/exynos_drm.h>
#include "exynos_drm_drv.h"
#include "exynos_drm_crtc.h"
#include "exynos_drm_fb.h"
@ -57,11 +58,12 @@ static int exynos_plane_get_size(int start, unsigned length, unsigned last)
}
static void exynos_plane_mode_set(struct exynos_drm_plane_state *exynos_state)
{
struct drm_plane_state *state = &exynos_state->base;
struct drm_crtc *crtc = exynos_state->base.crtc;
struct drm_display_mode *mode = &crtc->state->adjusted_mode;
struct drm_crtc *crtc = state->crtc;
struct drm_crtc_state *crtc_state =
drm_atomic_get_existing_crtc_state(state->state, crtc);
struct drm_display_mode *mode = &crtc_state->adjusted_mode;
int crtc_x, crtc_y;
unsigned int crtc_w, crtc_h;
unsigned int src_x, src_y;

4
drivers/gpu/drm/i915/i915_drv.c
Просмотреть файл

@ -758,10 +758,10 @@ static int i915_drm_resume(struct drm_device *dev)
dev_priv->display.hpd_irq_setup(dev);
spin_unlock_irq(&dev_priv->irq_lock);
intel_display_resume(dev);
intel_dp_mst_resume(dev);
intel_display_resume(dev);
/*
* ... but also need to make sure that hotplug processing
* doesn't cause havoc. Like in the driver load code we don't

4
drivers/gpu/drm/i915/i915_irq.c
Просмотреть файл

@ -1829,7 +1829,7 @@ static irqreturn_t cherryview_irq_handler(int irq, void *arg)
/* IRQs are synced during runtime_suspend, we don't require a wakeref */
disable_rpm_wakeref_asserts(dev_priv);
for (;;) {
do {
master_ctl = I915_READ(GEN8_MASTER_IRQ) & ~GEN8_MASTER_IRQ_CONTROL;
iir = I915_READ(VLV_IIR);
@ -1857,7 +1857,7 @@ static irqreturn_t cherryview_irq_handler(int irq, void *arg)
I915_WRITE(GEN8_MASTER_IRQ, DE_MASTER_IRQ_CONTROL);
POSTING_READ(GEN8_MASTER_IRQ);
}
} while (0);
enable_rpm_wakeref_asserts(dev_priv);

6
drivers/gpu/drm/i915/intel_dp_mst.c
Просмотреть файл

@ -506,6 +506,8 @@ static void intel_dp_destroy_mst_connector(struct drm_dp_mst_topology_mgr *mgr,
struct intel_connector *intel_connector = to_intel_connector(connector);
struct drm_device *dev = connector->dev;
intel_connector->unregister(intel_connector);
/* need to nuke the connector */
drm_modeset_lock_all(dev);
if (connector->state->crtc) {
@ -519,11 +521,7 @@ static void intel_dp_destroy_mst_connector(struct drm_dp_mst_topology_mgr *mgr,
WARN(ret, "Disabling mst crtc failed with %i\n", ret);
}
drm_modeset_unlock_all(dev);
intel_connector->unregister(intel_connector);
drm_modeset_lock_all(dev);
intel_connector_remove_from_fbdev(intel_connector);
drm_connector_cleanup(connector);
drm_modeset_unlock_all(dev);

5
drivers/gpu/drm/i915/intel_lvds.c
Просмотреть файл

@ -478,11 +478,8 @@ static int intel_lid_notify(struct notifier_block *nb, unsigned long val,
* and as part of the cleanup in the hw state restore we also redisable
* the vga plane.
*/
if (!HAS_PCH_SPLIT(dev)) {
drm_modeset_lock_all(dev);
if (!HAS_PCH_SPLIT(dev))
intel_display_resume(dev);
drm_modeset_unlock_all(dev);
}
dev_priv->modeset_restore = MODESET_DONE;

13
drivers/gpu/drm/qxl/qxl_display.c
Просмотреть файл

@ -375,10 +375,15 @@ static int qxl_crtc_cursor_set2(struct drm_crtc *crtc,
qxl_bo_kunmap(user_bo);
qcrtc->cur_x += qcrtc->hot_spot_x - hot_x;
qcrtc->cur_y += qcrtc->hot_spot_y - hot_y;
qcrtc->hot_spot_x = hot_x;
qcrtc->hot_spot_y = hot_y;
cmd = (struct qxl_cursor_cmd *)qxl_release_map(qdev, release);
cmd->type = QXL_CURSOR_SET;
cmd->u.set.position.x = qcrtc->cur_x;
cmd->u.set.position.y = qcrtc->cur_y;
cmd->u.set.position.x = qcrtc->cur_x + qcrtc->hot_spot_x;
cmd->u.set.position.y = qcrtc->cur_y + qcrtc->hot_spot_y;
cmd->u.set.shape = qxl_bo_physical_address(qdev, cursor_bo, 0);
@ -441,8 +446,8 @@ static int qxl_crtc_cursor_move(struct drm_crtc *crtc,
cmd = (struct qxl_cursor_cmd *)qxl_release_map(qdev, release);
cmd->type = QXL_CURSOR_MOVE;
cmd->u.position.x = qcrtc->cur_x;
cmd->u.position.y = qcrtc->cur_y;
cmd->u.position.x = qcrtc->cur_x + qcrtc->hot_spot_x;
cmd->u.position.y = qcrtc->cur_y + qcrtc->hot_spot_y;
qxl_release_unmap(qdev, release, &cmd->release_info);
qxl_push_cursor_ring_release(qdev, release, QXL_CMD_CURSOR, false);

2
drivers/gpu/drm/qxl/qxl_drv.h
Просмотреть файл

@ -135,6 +135,8 @@ struct qxl_crtc {
int index;
int cur_x;
int cur_y;
int hot_spot_x;
int hot_spot_y;
};
struct qxl_output {

2
drivers/gpu/drm/radeon/ni_reg.h
Просмотреть файл

@ -109,6 +109,8 @@
#define NI_DP_MSE_SAT2 0x7398
#define NI_DP_MSE_SAT_UPDATE 0x739c
# define NI_DP_MSE_SAT_UPDATE_MASK 0x3
# define NI_DP_MSE_16_MTP_KEEPOUT 0x100
#define NI_DIG_BE_CNTL 0x7140
# define NI_DIG_FE_SOURCE_SELECT(x) (((x) & 0x7f) << 8)

31
drivers/gpu/drm/radeon/radeon_dp_mst.c
Просмотреть файл

@ -89,8 +89,16 @@ static int radeon_dp_mst_set_stream_attrib(struct radeon_encoder *primary,
WREG32(NI_DP_MSE_SAT_UPDATE + primary->offset, 1);
do {
unsigned value1, value2;
udelay(10);
temp = RREG32(NI_DP_MSE_SAT_UPDATE + primary->offset);
} while ((temp & 0x1) && retries++ < 10000);
value1 = temp & NI_DP_MSE_SAT_UPDATE_MASK;
value2 = temp & NI_DP_MSE_16_MTP_KEEPOUT;
if (!value1 && !value2)
break;
} while (retries++ < 50);
if (retries == 10000)
DRM_ERROR("timed out waitin for SAT update %d\n", primary->offset);
@ -150,7 +158,7 @@ static int radeon_dp_mst_update_stream_attribs(struct radeon_connector *mst_conn
return 0;
}
static int radeon_dp_mst_set_vcp_size(struct radeon_encoder *mst, uint32_t x, uint32_t y)
static int radeon_dp_mst_set_vcp_size(struct radeon_encoder *mst, s64 avg_time_slots_per_mtp)
{
struct drm_device *dev = mst->base.dev;
struct radeon_device *rdev = dev->dev_private;
@ -158,6 +166,8 @@ static int radeon_dp_mst_set_vcp_size(struct radeon_encoder *mst, uint32_t x, ui
uint32_t val, temp;
uint32_t offset = radeon_atom_set_enc_offset(mst_enc->fe);
int retries = 0;
uint32_t x = drm_fixp2int(avg_time_slots_per_mtp);
uint32_t y = drm_fixp2int_ceil((avg_time_slots_per_mtp - x) << 26);
val = NI_DP_MSE_RATE_X(x) | NI_DP_MSE_RATE_Y(y);
@ -165,6 +175,7 @@ static int radeon_dp_mst_set_vcp_size(struct radeon_encoder *mst, uint32_t x, ui
do {
temp = RREG32(NI_DP_MSE_RATE_UPDATE + offset);
udelay(10);
} while ((temp & 0x1) && (retries++ < 10000));
if (retries >= 10000)
@ -246,14 +257,8 @@ radeon_dp_mst_connector_destroy(struct drm_connector *connector)
kfree(radeon_connector);
}
static int radeon_connector_dpms(struct drm_connector *connector, int mode)
{
DRM_DEBUG_KMS("\n");
return 0;
}
static const struct drm_connector_funcs radeon_dp_mst_connector_funcs = {
.dpms = radeon_connector_dpms,
.dpms = drm_helper_connector_dpms,
.detect = radeon_dp_mst_detect,
.fill_modes = drm_helper_probe_single_connector_modes,
.destroy = radeon_dp_mst_connector_destroy,
@ -394,7 +399,7 @@ radeon_mst_encoder_dpms(struct drm_encoder *encoder, int mode)
struct drm_crtc *crtc;
struct radeon_crtc *radeon_crtc;
int ret, slots;
s64 fixed_pbn, fixed_pbn_per_slot, avg_time_slots_per_mtp;
if (!ASIC_IS_DCE5(rdev)) {
DRM_ERROR("got mst dpms on non-DCE5\n");
return;
@ -456,7 +461,11 @@ radeon_mst_encoder_dpms(struct drm_encoder *encoder, int mode)
mst_enc->enc_active = true;
radeon_dp_mst_update_stream_attribs(radeon_connector->mst_port, primary);
radeon_dp_mst_set_vcp_size(radeon_encoder, slots, 0);
fixed_pbn = drm_int2fixp(mst_enc->pbn);
fixed_pbn_per_slot = drm_int2fixp(radeon_connector->mst_port->mst_mgr.pbn_div);
avg_time_slots_per_mtp = drm_fixp_div(fixed_pbn, fixed_pbn_per_slot);
radeon_dp_mst_set_vcp_size(radeon_encoder, avg_time_slots_per_mtp);
atombios_dig_encoder_setup2(&primary->base, ATOM_ENCODER_CMD_DP_VIDEO_ON, 0,
mst_enc->fe);