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path: root/drivers/gpu/drm/i915/intel_display.c
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Diffstat (limited to 'drivers/gpu/drm/i915/intel_display.c')
-rw-r--r--drivers/gpu/drm/i915/intel_display.c703
1 files changed, 530 insertions, 173 deletions
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 5e21b3119824..5ec10e02341b 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -33,6 +33,7 @@
#include "intel_drv.h"
#include "i915_drm.h"
#include "i915_drv.h"
+#include "i915_trace.h"
#include "drm_dp_helper.h"
#include "drm_crtc_helper.h"
@@ -42,6 +43,7 @@
bool intel_pipe_has_type (struct drm_crtc *crtc, int type);
static void intel_update_watermarks(struct drm_device *dev);
static void intel_increase_pllclock(struct drm_crtc *crtc, bool schedule);
+static void intel_crtc_update_cursor(struct drm_crtc *crtc);
typedef struct {
/* given values */
@@ -322,6 +324,9 @@ struct intel_limit {
#define IRONLAKE_DP_P1_MIN 1
#define IRONLAKE_DP_P1_MAX 2
+/* FDI */
+#define IRONLAKE_FDI_FREQ 2700000 /* in kHz for mode->clock */
+
static bool
intel_find_best_PLL(const intel_limit_t *limit, struct drm_crtc *crtc,
int target, int refclk, intel_clock_t *best_clock);
@@ -975,7 +980,10 @@ void
intel_wait_for_vblank(struct drm_device *dev)
{
/* Wait for 20ms, i.e. one cycle at 50hz. */
- msleep(20);
+ if (in_dbg_master())
+ mdelay(20); /* The kernel debugger cannot call msleep() */
+ else
+ msleep(20);
}
/* Parameters have changed, update FBC info */
@@ -1122,6 +1130,67 @@ static bool g4x_fbc_enabled(struct drm_device *dev)
return I915_READ(DPFC_CONTROL) & DPFC_CTL_EN;
}
+static void ironlake_enable_fbc(struct drm_crtc *crtc, unsigned long interval)
+{
+ struct drm_device *dev = crtc->dev;
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ struct drm_framebuffer *fb = crtc->fb;
+ struct intel_framebuffer *intel_fb = to_intel_framebuffer(fb);
+ struct drm_i915_gem_object *obj_priv = to_intel_bo(intel_fb->obj);
+ struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
+ int plane = (intel_crtc->plane == 0) ? DPFC_CTL_PLANEA :
+ DPFC_CTL_PLANEB;
+ unsigned long stall_watermark = 200;
+ u32 dpfc_ctl;
+
+ dev_priv->cfb_pitch = (dev_priv->cfb_pitch / 64) - 1;
+ dev_priv->cfb_fence = obj_priv->fence_reg;
+ dev_priv->cfb_plane = intel_crtc->plane;
+
+ dpfc_ctl = I915_READ(ILK_DPFC_CONTROL);
+ dpfc_ctl &= DPFC_RESERVED;
+ dpfc_ctl |= (plane | DPFC_CTL_LIMIT_1X);
+ if (obj_priv->tiling_mode != I915_TILING_NONE) {
+ dpfc_ctl |= (DPFC_CTL_FENCE_EN | dev_priv->cfb_fence);
+ I915_WRITE(ILK_DPFC_CHICKEN, DPFC_HT_MODIFY);
+ } else {
+ I915_WRITE(ILK_DPFC_CHICKEN, ~DPFC_HT_MODIFY);
+ }
+
+ I915_WRITE(ILK_DPFC_CONTROL, dpfc_ctl);
+ I915_WRITE(ILK_DPFC_RECOMP_CTL, DPFC_RECOMP_STALL_EN |
+ (stall_watermark << DPFC_RECOMP_STALL_WM_SHIFT) |
+ (interval << DPFC_RECOMP_TIMER_COUNT_SHIFT));
+ I915_WRITE(ILK_DPFC_FENCE_YOFF, crtc->y);
+ I915_WRITE(ILK_FBC_RT_BASE, obj_priv->gtt_offset | ILK_FBC_RT_VALID);
+ /* enable it... */
+ I915_WRITE(ILK_DPFC_CONTROL, I915_READ(ILK_DPFC_CONTROL) |
+ DPFC_CTL_EN);
+
+ DRM_DEBUG_KMS("enabled fbc on plane %d\n", intel_crtc->plane);
+}
+
+void ironlake_disable_fbc(struct drm_device *dev)
+{
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ u32 dpfc_ctl;
+
+ /* Disable compression */
+ dpfc_ctl = I915_READ(ILK_DPFC_CONTROL);
+ dpfc_ctl &= ~DPFC_CTL_EN;
+ I915_WRITE(ILK_DPFC_CONTROL, dpfc_ctl);
+ intel_wait_for_vblank(dev);
+
+ DRM_DEBUG_KMS("disabled FBC\n");
+}
+
+static bool ironlake_fbc_enabled(struct drm_device *dev)
+{
+ struct drm_i915_private *dev_priv = dev->dev_private;
+
+ return I915_READ(ILK_DPFC_CONTROL) & DPFC_CTL_EN;
+}
+
bool intel_fbc_enabled(struct drm_device *dev)
{
struct drm_i915_private *dev_priv = dev->dev_private;
@@ -1248,6 +1317,10 @@ static void intel_update_fbc(struct drm_crtc *crtc,
goto out_disable;
}
+ /* If the kernel debugger is active, always disable compression */
+ if (in_dbg_master())
+ goto out_disable;
+
if (intel_fbc_enabled(dev)) {
/* We can re-enable it in this case, but need to update pitch */
if ((fb->pitch > dev_priv->cfb_pitch) ||
@@ -1279,7 +1352,12 @@ intel_pin_and_fence_fb_obj(struct drm_device *dev, struct drm_gem_object *obj)
switch (obj_priv->tiling_mode) {
case I915_TILING_NONE:
- alignment = 64 * 1024;
+ if (IS_BROADWATER(dev) || IS_CRESTLINE(dev))
+ alignment = 128 * 1024;
+ else if (IS_I965G(dev))
+ alignment = 4 * 1024;
+ else
+ alignment = 64 * 1024;
break;
case I915_TILING_X:
/* pin() will align the object as required by fence */
@@ -1314,6 +1392,98 @@ intel_pin_and_fence_fb_obj(struct drm_device *dev, struct drm_gem_object *obj)
return 0;
}
+/* Assume fb object is pinned & idle & fenced and just update base pointers */
+static int
+intel_pipe_set_base_atomic(struct drm_crtc *crtc, struct drm_framebuffer *fb,
+ int x, int y)
+{
+ struct drm_device *dev = crtc->dev;
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
+ struct intel_framebuffer *intel_fb;
+ struct drm_i915_gem_object *obj_priv;
+ struct drm_gem_object *obj;
+ int plane = intel_crtc->plane;
+ unsigned long Start, Offset;
+ int dspbase = (plane == 0 ? DSPAADDR : DSPBADDR);
+ int dspsurf = (plane == 0 ? DSPASURF : DSPBSURF);
+ int dspstride = (plane == 0) ? DSPASTRIDE : DSPBSTRIDE;
+ int dsptileoff = (plane == 0 ? DSPATILEOFF : DSPBTILEOFF);
+ int dspcntr_reg = (plane == 0) ? DSPACNTR : DSPBCNTR;
+ u32 dspcntr;
+
+ switch (plane) {
+ case 0:
+ case 1:
+ break;
+ default:
+ DRM_ERROR("Can't update plane %d in SAREA\n", plane);
+ return -EINVAL;
+ }
+
+ intel_fb = to_intel_framebuffer(fb);
+ obj = intel_fb->obj;
+ obj_priv = to_intel_bo(obj);
+
+ dspcntr = I915_READ(dspcntr_reg);
+ /* Mask out pixel format bits in case we change it */
+ dspcntr &= ~DISPPLANE_PIXFORMAT_MASK;
+ switch (fb->bits_per_pixel) {
+ case 8:
+ dspcntr |= DISPPLANE_8BPP;
+ break;
+ case 16:
+ if (fb->depth == 15)
+ dspcntr |= DISPPLANE_15_16BPP;
+ else
+ dspcntr |= DISPPLANE_16BPP;
+ break;
+ case 24:
+ case 32:
+ dspcntr |= DISPPLANE_32BPP_NO_ALPHA;
+ break;
+ default:
+ DRM_ERROR("Unknown color depth\n");
+ return -EINVAL;
+ }
+ if (IS_I965G(dev)) {
+ if (obj_priv->tiling_mode != I915_TILING_NONE)
+ dspcntr |= DISPPLANE_TILED;
+ else
+ dspcntr &= ~DISPPLANE_TILED;
+ }
+
+ if (IS_IRONLAKE(dev))
+ /* must disable */
+ dspcntr |= DISPPLANE_TRICKLE_FEED_DISABLE;
+
+ I915_WRITE(dspcntr_reg, dspcntr);
+
+ Start = obj_priv->gtt_offset;
+ Offset = y * fb->pitch + x * (fb->bits_per_pixel / 8);
+
+ DRM_DEBUG("Writing base %08lX %08lX %d %d\n", Start, Offset, x, y);
+ I915_WRITE(dspstride, fb->pitch);
+ if (IS_I965G(dev)) {
+ I915_WRITE(dspbase, Offset);
+ I915_READ(dspbase);
+ I915_WRITE(dspsurf, Start);
+ I915_READ(dspsurf);
+ I915_WRITE(dsptileoff, (y << 16) | x);
+ } else {
+ I915_WRITE(dspbase, Start + Offset);
+ I915_READ(dspbase);
+ }
+
+ if ((IS_I965G(dev) || plane == 0))
+ intel_update_fbc(crtc, &crtc->mode);
+
+ intel_wait_for_vblank(dev);
+ intel_increase_pllclock(crtc, true);
+
+ return 0;
+}
+
static int
intel_pipe_set_base(struct drm_crtc *crtc, int x, int y,
struct drm_framebuffer *old_fb)
@@ -1554,6 +1724,15 @@ static void ironlake_fdi_link_train(struct drm_crtc *crtc)
int fdi_rx_imr_reg = (pipe == 0) ? FDI_RXA_IMR : FDI_RXB_IMR;
u32 temp, tries = 0;
+ /* Train 1: umask FDI RX Interrupt symbol_lock and bit_lock bit
+ for train result */
+ temp = I915_READ(fdi_rx_imr_reg);
+ temp &= ~FDI_RX_SYMBOL_LOCK;
+ temp &= ~FDI_RX_BIT_LOCK;
+ I915_WRITE(fdi_rx_imr_reg, temp);
+ I915_READ(fdi_rx_imr_reg);
+ udelay(150);
+
/* enable CPU FDI TX and PCH FDI RX */
temp = I915_READ(fdi_tx_reg);
temp |= FDI_TX_ENABLE;
@@ -1571,16 +1750,7 @@ static void ironlake_fdi_link_train(struct drm_crtc *crtc)
I915_READ(fdi_rx_reg);
udelay(150);
- /* Train 1: umask FDI RX Interrupt symbol_lock and bit_lock bit
- for train result */
- temp = I915_READ(fdi_rx_imr_reg);
- temp &= ~FDI_RX_SYMBOL_LOCK;
- temp &= ~FDI_RX_BIT_LOCK;
- I915_WRITE(fdi_rx_imr_reg, temp);
- I915_READ(fdi_rx_imr_reg);
- udelay(150);
-
- for (;;) {
+ for (tries = 0; tries < 5; tries++) {
temp = I915_READ(fdi_rx_iir_reg);
DRM_DEBUG_KMS("FDI_RX_IIR 0x%x\n", temp);
@@ -1590,14 +1760,9 @@ static void ironlake_fdi_link_train(struct drm_crtc *crtc)
temp | FDI_RX_BIT_LOCK);
break;
}
-
- tries++;
-
- if (tries > 5) {
- DRM_DEBUG_KMS("FDI train 1 fail!\n");
- break;
- }
}
+ if (tries == 5)
+ DRM_DEBUG_KMS("FDI train 1 fail!\n");
/* Train 2 */
temp = I915_READ(fdi_tx_reg);
@@ -1613,7 +1778,7 @@ static void ironlake_fdi_link_train(struct drm_crtc *crtc)
tries = 0;
- for (;;) {
+ for (tries = 0; tries < 5; tries++) {
temp = I915_READ(fdi_rx_iir_reg);
DRM_DEBUG_KMS("FDI_RX_IIR 0x%x\n", temp);
@@ -1623,14 +1788,9 @@ static void ironlake_fdi_link_train(struct drm_crtc *crtc)
DRM_DEBUG_KMS("FDI train 2 done.\n");
break;
}
-
- tries++;
-
- if (tries > 5) {
- DRM_DEBUG_KMS("FDI train 2 fail!\n");
- break;
- }
}
+ if (tries == 5)
+ DRM_DEBUG_KMS("FDI train 2 fail!\n");
DRM_DEBUG_KMS("FDI train done\n");
}
@@ -1655,6 +1815,15 @@ static void gen6_fdi_link_train(struct drm_crtc *crtc)
int fdi_rx_imr_reg = (pipe == 0) ? FDI_RXA_IMR : FDI_RXB_IMR;
u32 temp, i;
+ /* Train 1: umask FDI RX Interrupt symbol_lock and bit_lock bit
+ for train result */
+ temp = I915_READ(fdi_rx_imr_reg);
+ temp &= ~FDI_RX_SYMBOL_LOCK;
+ temp &= ~FDI_RX_BIT_LOCK;
+ I915_WRITE(fdi_rx_imr_reg, temp);
+ I915_READ(fdi_rx_imr_reg);
+ udelay(150);
+
/* enable CPU FDI TX and PCH FDI RX */
temp = I915_READ(fdi_tx_reg);
temp |= FDI_TX_ENABLE;
@@ -1680,15 +1849,6 @@ static void gen6_fdi_link_train(struct drm_crtc *crtc)
I915_READ(fdi_rx_reg);
udelay(150);
- /* Train 1: umask FDI RX Interrupt symbol_lock and bit_lock bit
- for train result */
- temp = I915_READ(fdi_rx_imr_reg);
- temp &= ~FDI_RX_SYMBOL_LOCK;
- temp &= ~FDI_RX_BIT_LOCK;
- I915_WRITE(fdi_rx_imr_reg, temp);
- I915_READ(fdi_rx_imr_reg);
- udelay(150);
-
for (i = 0; i < 4; i++ ) {
temp = I915_READ(fdi_tx_reg);
temp &= ~FDI_LINK_TRAIN_VOL_EMP_MASK;
@@ -1843,7 +2003,8 @@ static void ironlake_crtc_dpms(struct drm_crtc *crtc, int mode)
}
/* Enable panel fitting for LVDS */
- if (intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS)) {
+ if (intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS)
+ || HAS_eDP || intel_pch_has_edp(crtc)) {
temp = I915_READ(pf_ctl_reg);
I915_WRITE(pf_ctl_reg, temp | PF_ENABLE | PF_FILTER_MED_3x3);
@@ -1938,9 +2099,12 @@ static void ironlake_crtc_dpms(struct drm_crtc *crtc, int mode)
reg = I915_READ(trans_dp_ctl);
reg &= ~TRANS_DP_PORT_SEL_MASK;
reg = TRANS_DP_OUTPUT_ENABLE |
- TRANS_DP_ENH_FRAMING |
- TRANS_DP_VSYNC_ACTIVE_HIGH |
- TRANS_DP_HSYNC_ACTIVE_HIGH;
+ TRANS_DP_ENH_FRAMING;
+
+ if (crtc->mode.flags & DRM_MODE_FLAG_PHSYNC)
+ reg |= TRANS_DP_HSYNC_ACTIVE_HIGH;
+ if (crtc->mode.flags & DRM_MODE_FLAG_PVSYNC)
+ reg |= TRANS_DP_VSYNC_ACTIVE_HIGH;
switch (intel_trans_dp_port_sel(crtc)) {
case PCH_DP_B:
@@ -1980,6 +2144,8 @@ static void ironlake_crtc_dpms(struct drm_crtc *crtc, int mode)
intel_crtc_load_lut(crtc);
+ intel_update_fbc(crtc, &crtc->mode);
+
break;
case DRM_MODE_DPMS_OFF:
DRM_DEBUG_KMS("crtc %d dpms off\n", pipe);
@@ -1994,6 +2160,10 @@ static void ironlake_crtc_dpms(struct drm_crtc *crtc, int mode)
I915_READ(dspbase_reg);
}
+ if (dev_priv->cfb_plane == plane &&
+ dev_priv->display.disable_fbc)
+ dev_priv->display.disable_fbc(dev);
+
i915_disable_vga(dev);
/* disable cpu pipe, disable after all planes disabled */
@@ -2373,8 +2543,8 @@ static bool intel_crtc_mode_fixup(struct drm_crtc *crtc,
struct drm_device *dev = crtc->dev;
if (HAS_PCH_SPLIT(dev)) {
/* FDI link clock is fixed at 2.7G */
- if (mode->clock * 3 > 27000 * 4)
- return MODE_CLOCK_HIGH;
+ if (mode->clock * 3 > IRONLAKE_FDI_FREQ * 4)
+ return false;
}
return true;
}
@@ -2556,6 +2726,20 @@ static struct intel_watermark_params g4x_wm_info = {
2,
G4X_FIFO_LINE_SIZE,
};
+static struct intel_watermark_params g4x_cursor_wm_info = {
+ I965_CURSOR_FIFO,
+ I965_CURSOR_MAX_WM,
+ I965_CURSOR_DFT_WM,
+ 2,
+ G4X_FIFO_LINE_SIZE,
+};
+static struct intel_watermark_params i965_cursor_wm_info = {
+ I965_CURSOR_FIFO,
+ I965_CURSOR_MAX_WM,
+ I965_CURSOR_DFT_WM,
+ 2,
+ I915_FIFO_LINE_SIZE,
+};
static struct intel_watermark_params i945_wm_info = {
I945_FIFO_SIZE,
I915_MAX_WM,
@@ -2593,6 +2777,14 @@ static struct intel_watermark_params ironlake_display_wm_info = {
ILK_FIFO_LINE_SIZE
};
+static struct intel_watermark_params ironlake_cursor_wm_info = {
+ ILK_CURSOR_FIFO,
+ ILK_CURSOR_MAXWM,
+ ILK_CURSOR_DFTWM,
+ 2,
+ ILK_FIFO_LINE_SIZE
+};
+
static struct intel_watermark_params ironlake_display_srwm_info = {
ILK_DISPLAY_SR_FIFO,
ILK_DISPLAY_MAX_SRWM,
@@ -2642,7 +2834,7 @@ static unsigned long intel_calculate_wm(unsigned long clock_in_khz,
*/
entries_required = ((clock_in_khz / 1000) * pixel_size * latency_ns) /
1000;
- entries_required /= wm->cacheline_size;
+ entries_required = DIV_ROUND_UP(entries_required, wm->cacheline_size);
DRM_DEBUG_KMS("FIFO entries required for mode: %d\n", entries_required);
@@ -2653,8 +2845,14 @@ static unsigned long intel_calculate_wm(unsigned long clock_in_khz,
/* Don't promote wm_size to unsigned... */
if (wm_size > (long)wm->max_wm)
wm_size = wm->max_wm;
- if (wm_size <= 0)
+ if (wm_size <= 0) {
wm_size = wm->default_wm;
+ DRM_ERROR("Insufficient FIFO for plane, expect flickering:"
+ " entries required = %ld, available = %lu.\n",
+ entries_required + wm->guard_size,
+ wm->fifo_size);
+ }
+
return wm_size;
}
@@ -2763,11 +2961,9 @@ static int i9xx_get_fifo_size(struct drm_device *dev, int plane)
uint32_t dsparb = I915_READ(DSPARB);
int size;
- if (plane == 0)
- size = dsparb & 0x7f;
- else
- size = ((dsparb >> DSPARB_CSTART_SHIFT) & 0x7f) -
- (dsparb & 0x7f);
+ size = dsparb & 0x7f;
+ if (plane)
+ size = ((dsparb >> DSPARB_CSTART_SHIFT) & 0x7f) - size;
DRM_DEBUG_KMS("FIFO size - (0x%08x) %s: %d\n", dsparb,
plane ? "B" : "A", size);
@@ -2781,11 +2977,9 @@ static int i85x_get_fifo_size(struct drm_device *dev, int plane)
uint32_t dsparb = I915_READ(DSPARB);
int size;
- if (plane == 0)
- size = dsparb & 0x1ff;
- else
- size = ((dsparb >> DSPARB_BEND_SHIFT) & 0x1ff) -
- (dsparb & 0x1ff);
+ size = dsparb & 0x1ff;
+ if (plane)
+ size = ((dsparb >> DSPARB_BEND_SHIFT) & 0x1ff) - size;
size >>= 1; /* Convert to cachelines */
DRM_DEBUG_KMS("FIFO size - (0x%08x) %s: %d\n", dsparb,
@@ -2826,7 +3020,8 @@ static int i830_get_fifo_size(struct drm_device *dev, int plane)
}
static void pineview_update_wm(struct drm_device *dev, int planea_clock,
- int planeb_clock, int sr_hdisplay, int pixel_size)
+ int planeb_clock, int sr_hdisplay, int unused,
+ int pixel_size)
{
struct drm_i915_private *dev_priv = dev->dev_private;
u32 reg;
@@ -2891,7 +3086,8 @@ static void pineview_update_wm(struct drm_device *dev, int planea_clock,
}
static void g4x_update_wm(struct drm_device *dev, int planea_clock,
- int planeb_clock, int sr_hdisplay, int pixel_size)
+ int planeb_clock, int sr_hdisplay, int sr_htotal,
+ int pixel_size)
{
struct drm_i915_private *dev_priv = dev->dev_private;
int total_size, cacheline_size;
@@ -2915,12 +3111,12 @@ static void g4x_update_wm(struct drm_device *dev, int planea_clock,
*/
entries_required = ((planea_clock / 1000) * pixel_size * latency_ns) /
1000;
- entries_required /= G4X_FIFO_LINE_SIZE;
+ entries_required = DIV_ROUND_UP(entries_required, G4X_FIFO_LINE_SIZE);
planea_wm = entries_required + planea_params.guard_size;
entries_required = ((planeb_clock / 1000) * pixel_size * latency_ns) /
1000;
- entries_required /= G4X_FIFO_LINE_SIZE;
+ entries_required = DIV_ROUND_UP(entries_required, G4X_FIFO_LINE_SIZE);
planeb_wm = entries_required + planeb_params.guard_size;
cursora_wm = cursorb_wm = 16;
@@ -2934,13 +3130,24 @@ static void g4x_update_wm(struct drm_device *dev, int planea_clock,
static const int sr_latency_ns = 12000;
sr_clock = planea_clock ? planea_clock : planeb_clock;
- line_time_us = ((sr_hdisplay * 1000) / sr_clock);
+ line_time_us = ((sr_htotal * 1000) / sr_clock);
/* Use ns/us then divide to preserve precision */
- sr_entries = (((sr_latency_ns / line_time_us) + 1) *
- pixel_size * sr_hdisplay) / 1000;
- sr_entries = roundup(sr_entries / cacheline_size, 1);
- DRM_DEBUG("self-refresh entries: %d\n", sr_entries);
+ sr_entries = (((sr_latency_ns / line_time_us) + 1000) / 1000) *
+ pixel_size * sr_hdisplay;
+ sr_entries = DIV_ROUND_UP(sr_entries, cacheline_size);
+
+ entries_required = (((sr_latency_ns / line_time_us) +
+ 1000) / 1000) * pixel_size * 64;
+ entries_required = DIV_ROUND_UP(entries_required,
+ g4x_cursor_wm_info.cacheline_size);
+ cursor_sr = entries_required + g4x_cursor_wm_info.guard_size;
+
+ if (cursor_sr > g4x_cursor_wm_info.max_wm)
+ cursor_sr = g4x_cursor_wm_info.max_wm;
+ DRM_DEBUG_KMS("self-refresh watermark: display plane %d "
+ "cursor %d\n", sr_entries, cursor_sr);
+
I915_WRITE(FW_BLC_SELF, FW_BLC_SELF_EN);
} else {
/* Turn off self refresh if both pipes are enabled */
@@ -2965,11 +3172,13 @@ static void g4x_update_wm(struct drm_device *dev, int planea_clock,
}
static void i965_update_wm(struct drm_device *dev, int planea_clock,
- int planeb_clock, int sr_hdisplay, int pixel_size)
+ int planeb_clock, int sr_hdisplay, int sr_htotal,
+ int pixel_size)
{
struct drm_i915_private *dev_priv = dev->dev_private;
unsigned long line_time_us;
int sr_clock, sr_entries, srwm = 1;
+ int cursor_sr = 16;
/* Calc sr entries for one plane configs */
if (sr_hdisplay && (!planea_clock || !planeb_clock)) {
@@ -2977,17 +3186,31 @@ static void i965_update_wm(struct drm_device *dev, int planea_clock,
static const int sr_latency_ns = 12000;
sr_clock = planea_clock ? planea_clock : planeb_clock;
- line_time_us = ((sr_hdisplay * 1000) / sr_clock);
+ line_time_us = ((sr_htotal * 1000) / sr_clock);
/* Use ns/us then divide to preserve precision */
- sr_entries = (((sr_latency_ns / line_time_us) + 1) *
- pixel_size * sr_hdisplay) / 1000;
- sr_entries = roundup(sr_entries / I915_FIFO_LINE_SIZE, 1);
+ sr_entries = (((sr_latency_ns / line_time_us) + 1000) / 1000) *
+ pixel_size * sr_hdisplay;
+ sr_entries = DIV_ROUND_UP(sr_entries, I915_FIFO_LINE_SIZE);
DRM_DEBUG("self-refresh entries: %d\n", sr_entries);
- srwm = I945_FIFO_SIZE - sr_entries;
+ srwm = I965_FIFO_SIZE - sr_entries;
if (srwm < 0)
srwm = 1;
- srwm &= 0x3f;
+ srwm &= 0x1ff;
+
+ sr_entries = (((sr_latency_ns / line_time_us) + 1000) / 1000) *
+ pixel_size * 64;
+ sr_entries = DIV_ROUND_UP(sr_entries,
+ i965_cursor_wm_info.cacheline_size);
+ cursor_sr = i965_cursor_wm_info.fifo_size -
+ (sr_entries + i965_cursor_wm_info.guard_size);
+
+ if (cursor_sr > i965_cursor_wm_info.max_wm)
+ cursor_sr = i965_cursor_wm_info.max_wm;
+
+ DRM_DEBUG_KMS("self-refresh watermark: display plane %d "
+ "cursor %d\n", srwm, cursor_sr);
+
if (IS_I965GM(dev))
I915_WRITE(FW_BLC_SELF, FW_BLC_SELF_EN);
} else {
@@ -3004,10 +3227,13 @@ static void i965_update_wm(struct drm_device *dev, int planea_clock,
I915_WRITE(DSPFW1, (srwm << DSPFW_SR_SHIFT) | (8 << 16) | (8 << 8) |
(8 << 0));
I915_WRITE(DSPFW2, (8 << 8) | (8 << 0));
+ /* update cursor SR watermark */
+ I915_WRITE(DSPFW3, (cursor_sr << DSPFW_CURSOR_SR_SHIFT));
}
static void i9xx_update_wm(struct drm_device *dev, int planea_clock,
- int planeb_clock, int sr_hdisplay, int pixel_size)
+ int planeb_clock, int sr_hdisplay, int sr_htotal,
+ int pixel_size)
{
struct drm_i915_private *dev_priv = dev->dev_private;
uint32_t fwater_lo;
@@ -3052,12 +3278,12 @@ static void i9xx_update_wm(struct drm_device *dev, int planea_clock,
static const int sr_latency_ns = 6000;
sr_clock = planea_clock ? planea_clock : planeb_clock;
- line_time_us = ((sr_hdisplay * 1000) / sr_clock);
+ line_time_us = ((sr_htotal * 1000) / sr_clock);
/* Use ns/us then divide to preserve precision */
- sr_entries = (((sr_latency_ns / line_time_us) + 1) *
- pixel_size * sr_hdisplay) / 1000;
- sr_entries = roundup(sr_entries / cacheline_size, 1);
+ sr_entries = (((sr_latency_ns / line_time_us) + 1000) / 1000) *
+ pixel_size * sr_hdisplay;
+ sr_entries = DIV_ROUND_UP(sr_entries, cacheline_size);
DRM_DEBUG_KMS("self-refresh entries: %d\n", sr_entries);
srwm = total_size - sr_entries;
if (srwm < 0)
@@ -3095,7 +3321,7 @@ static void i9xx_update_wm(struct drm_device *dev, int planea_clock,
}
static void i830_update_wm(struct drm_device *dev, int planea_clock, int unused,
- int unused2, int pixel_size)
+ int unused2, int unused3, int pixel_size)
{
struct drm_i915_private *dev_priv = dev->dev_private;
uint32_t fwater_lo = I915_READ(FW_BLC) & ~0xfff;
@@ -3113,9 +3339,11 @@ static void i830_update_wm(struct drm_device *dev, int planea_clock, int unused,
}
#define ILK_LP0_PLANE_LATENCY 700
+#define ILK_LP0_CURSOR_LATENCY 1300
static void ironlake_update_wm(struct drm_device *dev, int planea_clock,
- int planeb_clock, int sr_hdisplay, int pixel_size)
+ int planeb_clock, int sr_hdisplay, int sr_htotal,
+ int pixel_size)
{
struct drm_i915_private *dev_priv = dev->dev_private;
int planea_wm, planeb_wm, cursora_wm, cursorb_wm;
@@ -3123,20 +3351,48 @@ static void ironlake_update_wm(struct drm_device *dev, int planea_clock,
unsigned long line_time_us;
int sr_clock, entries_required;
u32 reg_value;
+ int line_count;
+ int planea_htotal = 0, planeb_htotal = 0;
+ struct drm_crtc *crtc;
+ struct intel_crtc *intel_crtc;
+
+ /* Need htotal for all active display plane */
+ list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
+ intel_crtc = to_intel_crtc(crtc);
+ if (crtc->enabled) {
+ if (intel_crtc->plane == 0)
+ planea_htotal = crtc->mode.htotal;
+ else
+ planeb_htotal = crtc->mode.htotal;
+ }
+ }
/* Calculate and update the watermark for plane A */
if (planea_clock) {
entries_required = ((planea_clock / 1000) * pixel_size *
ILK_LP0_PLANE_LATENCY) / 1000;
entries_required = DIV_ROUND_UP(entries_required,
- ironlake_display_wm_info.cacheline_size);
+ ironlake_display_wm_info.cacheline_size);
planea_wm = entries_required +
ironlake_display_wm_info.guard_size;
if (planea_wm > (int)ironlake_display_wm_info.max_wm)
planea_wm = ironlake_display_wm_info.max_wm;
- cursora_wm = 16;
+ /* Use the large buffer method to calculate cursor watermark */
+ line_time_us = (planea_htotal * 1000) / planea_clock;
+
+ /* Use ns/us then divide to preserve precision */
+ line_count = (ILK_LP0_CURSOR_LATENCY / line_time_us + 1000) / 1000;
+
+ /* calculate the cursor watermark for cursor A */
+ entries_required = line_count * 64 * pixel_size;
+ entries_required = DIV_ROUND_UP(entries_required,
+ ironlake_cursor_wm_info.cacheline_size);
+ cursora_wm = entries_required + ironlake_cursor_wm_info.guard_size;
+ if (cursora_wm > ironlake_cursor_wm_info.max_wm)
+ cursora_wm = ironlake_cursor_wm_info.max_wm;
+
reg_value = I915_READ(WM0_PIPEA_ILK);
reg_value &= ~(WM0_PIPE_PLANE_MASK | WM0_PIPE_CURSOR_MASK);
reg_value |= (planea_wm << WM0_PIPE_PLANE_SHIFT) |
@@ -3150,14 +3406,27 @@ static void ironlake_update_wm(struct drm_device *dev, int planea_clock,
entries_required = ((planeb_clock / 1000) * pixel_size *
ILK_LP0_PLANE_LATENCY) / 1000;
entries_required = DIV_ROUND_UP(entries_required,
- ironlake_display_wm_info.cacheline_size);
+ ironlake_display_wm_info.cacheline_size);
planeb_wm = entries_required +
ironlake_display_wm_info.guard_size;
if (planeb_wm > (int)ironlake_display_wm_info.max_wm)
planeb_wm = ironlake_display_wm_info.max_wm;
- cursorb_wm = 16;
+ /* Use the large buffer method to calculate cursor watermark */
+ line_time_us = (planeb_htotal * 1000) / planeb_clock;
+
+ /* Use ns/us then divide to preserve precision */
+ line_count = (ILK_LP0_CURSOR_LATENCY / line_time_us + 1000) / 1000;
+
+ /* calculate the cursor watermark for cursor B */
+ entries_required = line_count * 64 * pixel_size;
+ entries_required = DIV_ROUND_UP(entries_required,
+ ironlake_cursor_wm_info.cacheline_size);
+ cursorb_wm = entries_required + ironlake_cursor_wm_info.guard_size;
+ if (cursorb_wm > ironlake_cursor_wm_info.max_wm)
+ cursorb_wm = ironlake_cursor_wm_info.max_wm;
+
reg_value = I915_READ(WM0_PIPEB_ILK);
reg_value &= ~(WM0_PIPE_PLANE_MASK | WM0_PIPE_CURSOR_MASK);
reg_value |= (planeb_wm << WM0_PIPE_PLANE_SHIFT) |
@@ -3172,12 +3441,12 @@ static void ironlake_update_wm(struct drm_device *dev, int planea_clock,
* display plane is used.
*/
if (!planea_clock || !planeb_clock) {
- int line_count;
+
/* Read the self-refresh latency. The unit is 0.5us */
int ilk_sr_latency = I915_READ(MLTR_ILK) & ILK_SRLT_MASK;
sr_clock = planea_clock ? planea_clock : planeb_clock;
- line_time_us = ((sr_hdisplay * 1000) / sr_clock);
+ line_time_us = ((sr_htotal * 1000) / sr_clock);
/* Use ns/us then divide to preserve precision */
line_count = ((ilk_sr_latency * 500) / line_time_us + 1000)
@@ -3186,14 +3455,14 @@ static void ironlake_update_wm(struct drm_device *dev, int planea_clock,
/* calculate the self-refresh watermark for display plane */
entries_required = line_count * sr_hdisplay * pixel_size;
entries_required = DIV_ROUND_UP(entries_required,
- ironlake_display_srwm_info.cacheline_size);
+ ironlake_display_srwm_info.cacheline_size);
sr_wm = entries_required +
ironlake_display_srwm_info.guard_size;
/* calculate the self-refresh watermark for display cursor */
entries_required = line_count * pixel_size * 64;
entries_required = DIV_ROUND_UP(entries_required,
- ironlake_cursor_srwm_info.cacheline_size);
+ ironlake_cursor_srwm_info.cacheline_size);
cursor_wm = entries_required +
ironlake_cursor_srwm_info.guard_size;
@@ -3237,6 +3506,7 @@ static void ironlake_update_wm(struct drm_device *dev, int planea_clock,
* bytes per pixel
* where
* line time = htotal / dotclock
+ * surface width = hdisplay for normal plane and 64 for cursor
* and latency is assumed to be high, as above.
*
* The final value programmed to the register should always be rounded up,
@@ -3253,6 +3523,7 @@ static void intel_update_watermarks(struct drm_device *dev)
int sr_hdisplay = 0;
unsigned long planea_clock = 0, planeb_clock = 0, sr_clock = 0;
int enabled = 0, pixel_size = 0;
+ int sr_htotal = 0;
if (!dev_priv->display.update_wm)
return;
@@ -3273,6 +3544,7 @@ static void intel_update_watermarks(struct drm_device *dev)
}
sr_hdisplay = crtc->mode.hdisplay;
sr_clock = crtc->mode.clock;
+ sr_htotal = crtc->mode.htotal;
if (crtc->fb)
pixel_size = crtc->fb->bits_per_pixel / 8;
else
@@ -3284,7 +3556,7 @@ static void intel_update_watermarks(struct drm_device *dev)
return;
dev_priv->display.update_wm(dev, planea_clock, planeb_clock,
- sr_hdisplay, pixel_size);
+ sr_hdisplay, sr_htotal, pixel_size);
}
static int intel_crtc_mode_set(struct drm_crtc *crtc,
@@ -3403,6 +3675,9 @@ static int intel_crtc_mode_set(struct drm_crtc *crtc,
return -EINVAL;
}
+ /* Ensure that the cursor is valid for the new mode before changing... */
+ intel_crtc_update_cursor(crtc);
+
if (is_lvds && dev_priv->lvds_downclock_avail) {
has_reduced_clock = limit->find_pll(limit, crtc,
dev_priv->lvds_downclock,
@@ -3469,7 +3744,7 @@ static int intel_crtc_mode_set(struct drm_crtc *crtc,
temp |= PIPE_8BPC;
else
temp |= PIPE_6BPC;
- } else if (is_edp) {
+ } else if (is_edp || (is_dp && intel_pch_has_edp(crtc))) {
switch (dev_priv->edp_bpp/3) {
case 8:
temp |= PIPE_8BPC;
@@ -3712,6 +3987,11 @@ static int intel_crtc_mode_set(struct drm_crtc *crtc,
udelay(150);
}
+ if (HAS_PCH_SPLIT(dev)) {
+ pipeconf &= ~PIPE_ENABLE_DITHER;
+ pipeconf &= ~PIPE_DITHER_TYPE_MASK;
+ }
+
/* The LVDS pin pair needs to be on before the DPLLs are enabled.
* This is an exception to the general rule that mode_set doesn't turn
* things on.
@@ -3754,16 +4034,13 @@ static int intel_crtc_mode_set(struct drm_crtc *crtc,
if (dev_priv->lvds_dither) {
if (HAS_PCH_SPLIT(dev)) {
pipeconf |= PIPE_ENABLE_DITHER;
- pipeconf &= ~PIPE_DITHER_TYPE_MASK;
pipeconf |= PIPE_DITHER_TYPE_ST01;
} else
lvds |= LVDS_ENABLE_DITHER;
} else {
- if (HAS_PCH_SPLIT(dev)) {
- pipeconf &= ~PIPE_ENABLE_DITHER;
- pipeconf &= ~PIPE_DITHER_TYPE_MASK;
- } else
+ if (!HAS_PCH_SPLIT(dev)) {
lvds &= ~LVDS_ENABLE_DITHER;
+ }
}
}
I915_WRITE(lvds_reg, lvds);
@@ -3939,6 +4216,85 @@ void intel_crtc_load_lut(struct drm_crtc *crtc)
}
}
+/* If no-part of the cursor is visible on the framebuffer, then the GPU may hang... */
+static void intel_crtc_update_cursor(struct drm_crtc *crtc)
+{
+ struct drm_device *dev = crtc->dev;
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
+ int pipe = intel_crtc->pipe;
+ int x = intel_crtc->cursor_x;
+ int y = intel_crtc->cursor_y;
+ uint32_t base, pos;
+ bool visible;
+
+ pos = 0;
+
+ if (crtc->fb) {
+ base = intel_crtc->cursor_addr;
+ if (x > (int) crtc->fb->width)
+ base = 0;
+
+ if (y > (int) crtc->fb->height)
+ base = 0;
+ } else
+ base = 0;
+
+ if (x < 0) {
+ if (x + intel_crtc->cursor_width < 0)
+ base = 0;
+
+ pos |= CURSOR_POS_SIGN << CURSOR_X_SHIFT;
+ x = -x;
+ }
+ pos |= x << CURSOR_X_SHIFT;
+
+ if (y < 0) {
+ if (y + intel_crtc->cursor_height < 0)
+ base = 0;
+
+ pos |= CURSOR_POS_SIGN << CURSOR_Y_SHIFT;
+ y = -y;
+ }
+ pos |= y << CURSOR_Y_SHIFT;
+
+ visible = base != 0;
+ if (!visible && !intel_crtc->cursor_visble)
+ return;
+
+ I915_WRITE(pipe == 0 ? CURAPOS : CURBPOS, pos);
+ if (intel_crtc->cursor_visble != visible) {
+ uint32_t cntl = I915_READ(pipe == 0 ? CURACNTR : CURBCNTR);
+ if (base) {
+ /* Hooray for CUR*CNTR differences */
+ if (IS_MOBILE(dev) || IS_I9XX(dev)) {
+ cntl &= ~(CURSOR_MODE | MCURSOR_PIPE_SELECT);
+ cntl |= CURSOR_MODE_64_ARGB_AX | MCURSOR_GAMMA_ENABLE;
+ cntl |= pipe << 28; /* Connect to correct pipe */
+ } else {
+ cntl &= ~(CURSOR_FORMAT_MASK);
+ cntl |= CURSOR_ENABLE;
+ cntl |= CURSOR_FORMAT_ARGB | CURSOR_GAMMA_ENABLE;
+ }
+ } else {
+ if (IS_MOBILE(dev) || IS_I9XX(dev)) {
+ cntl &= ~(CURSOR_MODE | MCURSOR_GAMMA_ENABLE);
+ cntl |= CURSOR_MODE_DISABLE;
+ } else {
+ cntl &= ~(CURSOR_ENABLE | CURSOR_GAMMA_ENABLE);
+ }
+ }
+ I915_WRITE(pipe == 0 ? CURACNTR : CURBCNTR, cntl);
+
+ intel_crtc->cursor_visble = visible;
+ }
+ /* and commit changes on next vblank */
+ I915_WRITE(pipe == 0 ? CURABASE : CURBBASE, base);
+
+ if (visible)
+ intel_mark_busy(dev, to_intel_framebuffer(crtc->fb)->obj);
+}
+
static int intel_crtc_cursor_set(struct drm_crtc *crtc,
struct drm_file *file_priv,
uint32_t handle,
@@ -3949,11 +4305,7 @@ static int intel_crtc_cursor_set(struct drm_crtc *crtc,
struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
struct drm_gem_object *bo;
struct drm_i915_gem_object *obj_priv;
- int pipe = intel_crtc->pipe;
- uint32_t control = (pipe == 0) ? CURACNTR : CURBCNTR;
- uint32_t base = (pipe == 0) ? CURABASE : CURBBASE;
- uint32_t temp = I915_READ(control);
- size_t addr;
+ uint32_t addr;
int ret;
DRM_DEBUG_KMS("\n");
@@ -3961,12 +4313,6 @@ static int intel_crtc_cursor_set(struct drm_crtc *crtc,
/* if we want to turn off the cursor ignore width and height */
if (!handle) {
DRM_DEBUG_KMS("cursor off\n");
- if (IS_MOBILE(dev) || IS_I9XX(dev)) {
- temp &= ~(CURSOR_MODE | MCURSOR_GAMMA_ENABLE);
- temp |= CURSOR_MODE_DISABLE;
- } else {
- temp &= ~(CURSOR_ENABLE | CURSOR_GAMMA_ENABLE);
- }
addr = 0;
bo = NULL;
mutex_lock(&dev->struct_mutex);
@@ -4008,7 +4354,8 @@ static int intel_crtc_cursor_set(struct drm_crtc *crtc,
addr = obj_priv->gtt_offset;
} else {
- ret = i915_gem_attach_phys_object(dev, bo, (pipe == 0) ? I915_GEM_PHYS_CURSOR_0 : I915_GEM_PHYS_CURSOR_1);
+ ret = i915_gem_attach_phys_object(dev, bo,
+ (intel_crtc->pipe == 0) ? I915_GEM_PHYS_CURSOR_0 : I915_GEM_PHYS_CURSOR_1);
if (ret) {
DRM_ERROR("failed to attach phys object\n");
goto fail_locked;
@@ -4019,21 +4366,7 @@ static int intel_crtc_cursor_set(struct drm_crtc *crtc,
if (!IS_I9XX(dev))
I915_WRITE(CURSIZE, (height << 12) | width);
- /* Hooray for CUR*CNTR differences */
- if (IS_MOBILE(dev) || IS_I9XX(dev)) {
- temp &= ~(CURSOR_MODE | MCURSOR_PIPE_SELECT);
- temp |= CURSOR_MODE_64_ARGB_AX | MCURSOR_GAMMA_ENABLE;
- temp |= (pipe << 28); /* Connect to correct pipe */
- } else {
- temp &= ~(CURSOR_FORMAT_MASK);
- temp |= CURSOR_ENABLE;
- temp |= CURSOR_FORMAT_ARGB | CURSOR_GAMMA_ENABLE;
- }
-
finish:
- I915_WRITE(control, temp);
- I915_WRITE(base, addr);
-
if (intel_crtc->cursor_bo) {
if (dev_priv->info->cursor_needs_physical) {
if (intel_crtc->cursor_bo != bo)
@@ -4047,6 +4380,10 @@ static int intel_crtc_cursor_set(struct drm_crtc *crtc,
intel_crtc->cursor_addr = addr;
intel_crtc->cursor_bo = bo;
+ intel_crtc->cursor_width = width;
+ intel_crtc->cursor_height = height;
+
+ intel_crtc_update_cursor(crtc);
return 0;
fail_unpin:
@@ -4060,34 +4397,12 @@ fail:
static int intel_crtc_cursor_move(struct drm_crtc *crtc, int x, int y)
{
- struct drm_device *dev = crtc->dev;
- struct drm_i915_private *dev_priv = dev->dev_private;
struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
- struct intel_framebuffer *intel_fb;
- int pipe = intel_crtc->pipe;
- uint32_t temp = 0;
- uint32_t adder;
- if (crtc->fb) {
- intel_fb = to_intel_framebuffer(crtc->fb);
- intel_mark_busy(dev, intel_fb->obj);
- }
+ intel_crtc->cursor_x = x;
+ intel_crtc->cursor_y = y;
- if (x < 0) {
- temp |= CURSOR_POS_SIGN << CURSOR_X_SHIFT;
- x = -x;
- }
- if (y < 0) {
- temp |= CURSOR_POS_SIGN << CURSOR_Y_SHIFT;
- y = -y;
- }
-
- temp |= x << CURSOR_X_SHIFT;
- temp |= y << CURSOR_Y_SHIFT;
-
- adder = intel_crtc->cursor_addr;
- I915_WRITE((pipe == 0) ? CURAPOS : CURBPOS, temp);
- I915_WRITE((pipe == 0) ? CURABASE : CURBBASE, adder);
+ intel_crtc_update_cursor(crtc);
return 0;
}
@@ -4114,15 +4429,12 @@ void intel_crtc_fb_gamma_get(struct drm_crtc *crtc, u16 *red, u16 *green,
}
static void intel_crtc_gamma_set(struct drm_crtc *crtc, u16 *red, u16 *green,
- u16 *blue, uint32_t size)
+ u16 *blue, uint32_t start, uint32_t size)
{
+ int end = (start + size > 256) ? 256 : start + size, i;
struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
- int i;
-
- if (size != 256)
- return;
- for (i = 0; i < 256; i++) {
+ for (i = start; i < end; i++) {
intel_crtc->lut_r[i] = red[i] >> 8;
intel_crtc->lut_g[i] = green[i] >> 8;
intel_crtc->lut_b[i] = blue[i] >> 8;
@@ -4671,6 +4983,8 @@ static void do_intel_finish_page_flip(struct drm_device *dev,
atomic_dec_and_test(&obj_priv->pending_flip))
DRM_WAKEUP(&dev_priv->pending_flip_queue);
schedule_work(&work->work);
+
+ trace_i915_flip_complete(intel_crtc->plane, work->pending_flip_obj);
}
void intel_finish_page_flip(struct drm_device *dev, int pipe)
@@ -4748,27 +5062,22 @@ static int intel_crtc_page_flip(struct drm_crtc *crtc,
mutex_lock(&dev->struct_mutex);
ret = intel_pin_and_fence_fb_obj(dev, obj);
- if (ret != 0) {
- mutex_unlock(&dev->struct_mutex);
-
- spin_lock_irqsave(&dev->event_lock, flags);
- intel_crtc->unpin_work = NULL;
- spin_unlock_irqrestore(&dev->event_lock, flags);
-
- kfree(work);
-
- DRM_DEBUG_DRIVER("flip queue: %p pin & fence failed\n",
- to_intel_bo(obj));
- return ret;
- }
+ if (ret)
+ goto cleanup_work;
/* Reference the objects for the scheduled work. */
drm_gem_object_reference(work->old_fb_obj);
drm_gem_object_reference(obj);
crtc->fb = fb;
- i915_gem_object_flush_write_domain(obj);
- drm_vblank_get(dev, intel_crtc->pipe);
+ ret = i915_gem_object_flush_write_domain(obj);
+ if (ret)
+ goto cleanup_objs;
+
+ ret = drm_vblank_get(dev, intel_crtc->pipe);
+ if (ret)
+ goto cleanup_objs;
+
obj_priv = to_intel_bo(obj);
atomic_inc(&obj_priv->pending_flip);
work->pending_flip_obj = obj;
@@ -4806,7 +5115,23 @@ static int intel_crtc_page_flip(struct drm_crtc *crtc,
mutex_unlock(&dev->struct_mutex);
+ trace_i915_flip_request(intel_crtc->plane, obj);
+
return 0;
+
+cleanup_objs:
+ drm_gem_object_unreference(work->old_fb_obj);
+ drm_gem_object_unreference(obj);
+cleanup_work:
+ mutex_unlock(&dev->struct_mutex);
+
+ spin_lock_irqsave(&dev->event_lock, flags);
+ intel_crtc->unpin_work = NULL;
+ spin_unlock_irqrestore(&dev->event_lock, flags);
+
+ kfree(work);
+
+ return ret;
}
static const struct drm_crtc_helper_funcs intel_helper_funcs = {
@@ -4814,6 +5139,7 @@ static const struct drm_crtc_helper_funcs intel_helper_funcs = {
.mode_fixup = intel_crtc_mode_fixup,
.mode_set = intel_crtc_mode_set,
.mode_set_base = intel_pipe_set_base,
+ .mode_set_base_atomic = intel_pipe_set_base_atomic,
.prepare = intel_crtc_prepare,
.commit = intel_crtc_commit,
.load_lut = intel_crtc_load_lut,
@@ -4932,19 +5258,26 @@ static void intel_setup_outputs(struct drm_device *dev)
{
struct drm_i915_private *dev_priv = dev->dev_private;
struct drm_encoder *encoder;
+ bool dpd_is_edp = false;
- intel_crt_init(dev);
-
- /* Set up integrated LVDS */
if (IS_MOBILE(dev) && !IS_I830(dev))
intel_lvds_init(dev);
if (HAS_PCH_SPLIT(dev)) {
- int found;
+ dpd_is_edp = intel_dpd_is_edp(dev);
if (IS_MOBILE(dev) && (I915_READ(DP_A) & DP_DETECTED))
intel_dp_init(dev, DP_A);
+ if (dpd_is_edp && (I915_READ(PCH_DP_D) & DP_DETECTED))
+ intel_dp_init(dev, PCH_DP_D);
+ }
+
+ intel_crt_init(dev);
+
+ if (HAS_PCH_SPLIT(dev)) {
+ int found;
+
if (I915_READ(HDMIB) & PORT_DETECTED) {
/* PCH SDVOB multiplex with HDMIB */
found = intel_sdvo_init(dev, PCH_SDVOB);
@@ -4963,7 +5296,7 @@ static void intel_setup_outputs(struct drm_device *dev)
if (I915_READ(PCH_DP_C) & DP_DETECTED)
intel_dp_init(dev, PCH_DP_C);
- if (I915_READ(PCH_DP_D) & DP_DETECTED)
+ if (!dpd_is_edp && (I915_READ(PCH_DP_D) & DP_DETECTED))
intel_dp_init(dev, PCH_DP_D);
} else if (SUPPORTS_DIGITAL_OUTPUTS(dev)) {
@@ -5076,18 +5409,18 @@ intel_user_framebuffer_create(struct drm_device *dev,
obj = drm_gem_object_lookup(dev, filp, mode_cmd->handle);
if (!obj)
- return NULL;
+ return ERR_PTR(-ENOENT);
intel_fb = kzalloc(sizeof(*intel_fb), GFP_KERNEL);
if (!intel_fb)
- return NULL;
+ return ERR_PTR(-ENOMEM);
ret = intel_framebuffer_init(dev, intel_fb,
mode_cmd, obj);
if (ret) {
drm_gem_object_unreference_unlocked(obj);
kfree(intel_fb);
- return NULL;
+ return ERR_PTR(ret);
}
return &intel_fb->base;
@@ -5372,6 +5705,26 @@ void intel_init_clock_gating(struct drm_device *dev)
(I915_READ(DISP_ARB_CTL) |
DISP_FBC_WM_DIS));
}
+ /*
+ * Based on the document from hardware guys the following bits
+ * should be set unconditionally in order to enable FBC.
+ * The bit 22 of 0x42000
+ * The bit 22 of 0x42004
+ * The bit 7,8,9 of 0x42020.
+ */
+ if (IS_IRONLAKE_M(dev)) {
+ I915_WRITE(ILK_DISPLAY_CHICKEN1,
+ I915_READ(ILK_DISPLAY_CHICKEN1) |
+ ILK_FBCQ_DIS);
+ I915_WRITE(ILK_DISPLAY_CHICKEN2,
+ I915_READ(ILK_DISPLAY_CHICKEN2) |
+ ILK_DPARB_GATE);
+ I915_WRITE(ILK_DSPCLK_GATE,
+ I915_READ(ILK_DSPCLK_GATE) |
+ ILK_DPFC_DIS1 |
+ ILK_DPFC_DIS2 |
+ ILK_CLK_FBC);
+ }
return;
} else if (IS_G4X(dev)) {
uint32_t dspclk_gate;
@@ -5450,7 +5803,11 @@ static void intel_init_display(struct drm_device *dev)
dev_priv->display.dpms = i9xx_crtc_dpms;
if (I915_HAS_FBC(dev)) {
- if (IS_GM45(dev)) {
+ if (IS_IRONLAKE_M(dev)) {
+ dev_priv->display.fbc_enabled = ironlake_fbc_enabled;
+ dev_priv->display.enable_fbc = ironlake_enable_fbc;
+ dev_priv->display.disable_fbc = ironlake_disable_fbc;
+ } else if (IS_GM45(dev)) {
dev_priv->display.fbc_enabled = g4x_fbc_enabled;
dev_priv->display.enable_fbc = g4x_enable_fbc;
dev_priv->display.disable_fbc = g4x_disable_fbc;
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.