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Merge tag 'v4.6-rc7' into drm-next

Browse Source 
Merge this back as we've built up a fair few conflicts, and I have
some newer trees to pull in.
This commit is contained in:
Dave Airlie
2016-05-09 13:49:56 +10:00
parent ba391646d0 44549e8f5e
commit bafb86f5bc
715 changed files with 7263 additions and 3929 deletions
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154
drivers/gpu/drm/radeon/evergreen.c
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@@ -2613,10 +2613,152 @@ static void evergreen_agp_enable(struct radeon_device *rdev)
WREG32(VM_CONTEXT1_CNTL, 0);
}
static const unsigned ni_dig_offsets[] =
{
NI_DIG0_REGISTER_OFFSET,
NI_DIG1_REGISTER_OFFSET,
NI_DIG2_REGISTER_OFFSET,
NI_DIG3_REGISTER_OFFSET,
NI_DIG4_REGISTER_OFFSET,
NI_DIG5_REGISTER_OFFSET
};
static const unsigned ni_tx_offsets[] =
{
NI_DCIO_UNIPHY0_UNIPHY_TX_CONTROL1,
NI_DCIO_UNIPHY1_UNIPHY_TX_CONTROL1,
NI_DCIO_UNIPHY2_UNIPHY_TX_CONTROL1,
NI_DCIO_UNIPHY3_UNIPHY_TX_CONTROL1,
NI_DCIO_UNIPHY4_UNIPHY_TX_CONTROL1,
NI_DCIO_UNIPHY5_UNIPHY_TX_CONTROL1
};
static const unsigned evergreen_dp_offsets[] =
{
EVERGREEN_DP0_REGISTER_OFFSET,
EVERGREEN_DP1_REGISTER_OFFSET,
EVERGREEN_DP2_REGISTER_OFFSET,
EVERGREEN_DP3_REGISTER_OFFSET,
EVERGREEN_DP4_REGISTER_OFFSET,
EVERGREEN_DP5_REGISTER_OFFSET
};
/*
* Assumption is that EVERGREEN_CRTC_MASTER_EN enable for requested crtc
* We go from crtc to connector and it is not relible since it
* should be an opposite direction .If crtc is enable then
* find the dig_fe which selects this crtc and insure that it enable.
* if such dig_fe is found then find dig_be which selects found dig_be and
* insure that it enable and in DP_SST mode.
* if UNIPHY_PLL_CONTROL1.enable then we should disconnect timing
* from dp symbols clocks .
*/
static bool evergreen_is_dp_sst_stream_enabled(struct radeon_device *rdev,
unsigned crtc_id, unsigned *ret_dig_fe)
{
unsigned i;
unsigned dig_fe;
unsigned dig_be;
unsigned dig_en_be;
unsigned uniphy_pll;
unsigned digs_fe_selected;
unsigned dig_be_mode;
unsigned dig_fe_mask;
bool is_enabled = false;
bool found_crtc = false;
/* loop through all running dig_fe to find selected crtc */
for (i = 0; i < ARRAY_SIZE(ni_dig_offsets); i++) {
dig_fe = RREG32(NI_DIG_FE_CNTL + ni_dig_offsets[i]);
if (dig_fe & NI_DIG_FE_CNTL_SYMCLK_FE_ON &&
crtc_id == NI_DIG_FE_CNTL_SOURCE_SELECT(dig_fe)) {
/* found running pipe */
found_crtc = true;
dig_fe_mask = 1 << i;
dig_fe = i;
break;
}
}
if (found_crtc) {
/* loop through all running dig_be to find selected dig_fe */
for (i = 0; i < ARRAY_SIZE(ni_dig_offsets); i++) {
dig_be = RREG32(NI_DIG_BE_CNTL + ni_dig_offsets[i]);
/* if dig_fe_selected by dig_be? */
digs_fe_selected = NI_DIG_BE_CNTL_FE_SOURCE_SELECT(dig_be);
dig_be_mode = NI_DIG_FE_CNTL_MODE(dig_be);
if (dig_fe_mask & digs_fe_selected &&
/* if dig_be in sst mode? */
dig_be_mode == NI_DIG_BE_DPSST) {
dig_en_be = RREG32(NI_DIG_BE_EN_CNTL +
ni_dig_offsets[i]);
uniphy_pll = RREG32(NI_DCIO_UNIPHY0_PLL_CONTROL1 +
ni_tx_offsets[i]);
/* dig_be enable and tx is running */
if (dig_en_be & NI_DIG_BE_EN_CNTL_ENABLE &&
dig_en_be & NI_DIG_BE_EN_CNTL_SYMBCLK_ON &&
uniphy_pll & NI_DCIO_UNIPHY0_PLL_CONTROL1_ENABLE) {
is_enabled = true;
*ret_dig_fe = dig_fe;
break;
}
}
}
}
return is_enabled;
}
/*
* Blank dig when in dp sst mode
* Dig ignores crtc timing
*/
static void evergreen_blank_dp_output(struct radeon_device *rdev,
unsigned dig_fe)
{
unsigned stream_ctrl;
unsigned fifo_ctrl;
unsigned counter = 0;
if (dig_fe >= ARRAY_SIZE(evergreen_dp_offsets)) {
DRM_ERROR("invalid dig_fe %d\n", dig_fe);
return;
}
stream_ctrl = RREG32(EVERGREEN_DP_VID_STREAM_CNTL +
evergreen_dp_offsets[dig_fe]);
if (!(stream_ctrl & EVERGREEN_DP_VID_STREAM_CNTL_ENABLE)) {
DRM_ERROR("dig %d , should be enable\n", dig_fe);
return;
}
stream_ctrl &=~EVERGREEN_DP_VID_STREAM_CNTL_ENABLE;
WREG32(EVERGREEN_DP_VID_STREAM_CNTL +
evergreen_dp_offsets[dig_fe], stream_ctrl);
stream_ctrl = RREG32(EVERGREEN_DP_VID_STREAM_CNTL +
evergreen_dp_offsets[dig_fe]);
while (counter < 32 && stream_ctrl & EVERGREEN_DP_VID_STREAM_STATUS) {
msleep(1);
counter++;
stream_ctrl = RREG32(EVERGREEN_DP_VID_STREAM_CNTL +
evergreen_dp_offsets[dig_fe]);
}
if (counter >= 32 )
DRM_ERROR("counter exceeds %d\n", counter);
fifo_ctrl = RREG32(EVERGREEN_DP_STEER_FIFO + evergreen_dp_offsets[dig_fe]);
fifo_ctrl |= EVERGREEN_DP_STEER_FIFO_RESET;
WREG32(EVERGREEN_DP_STEER_FIFO + evergreen_dp_offsets[dig_fe], fifo_ctrl);
}
void evergreen_mc_stop(struct radeon_device *rdev, struct evergreen_mc_save *save)
{
u32 crtc_enabled, tmp, frame_count, blackout;
int i, j;
unsigned dig_fe;
if (!ASIC_IS_NODCE(rdev)) {
save->vga_render_control = RREG32(VGA_RENDER_CONTROL);
@@ -2656,7 +2798,17 @@ void evergreen_mc_stop(struct radeon_device *rdev, struct evergreen_mc_save *sav
break;
udelay(1);
}
/*we should disable dig if it drives dp sst*/
/*but we are in radeon_device_init and the topology is unknown*/
/*and it is available after radeon_modeset_init*/
/*the following method radeon_atom_encoder_dpms_dig*/
/*does the job if we initialize it properly*/
/*for now we do it this manually*/
/**/
if (ASIC_IS_DCE5(rdev) &&
evergreen_is_dp_sst_stream_enabled(rdev, i ,&dig_fe))
evergreen_blank_dp_output(rdev, dig_fe);
/*we could remove 6 lines below*/
/* XXX this is a hack to avoid strange behavior with EFI on certain systems */
WREG32(EVERGREEN_CRTC_UPDATE_LOCK + crtc_offsets[i], 1);
tmp = RREG32(EVERGREEN_CRTC_CONTROL + crtc_offsets[i]);