[Intel-gfx] [PATCH igt 4/4] tools/intel_poller: Add a new tool that will poll various display registers
ville.syrjala at linux.intel.com
ville.syrjala at linux.intel.com
Wed Jun 11 18:41:20 CEST 2014
From: Ville Syrjälä <ville.syrjala at linux.intel.com>
intel_poller can be used to poll various display registers
(IIR,scanline/pixel/flip/frame counter, live address, etc.).
It can be used to determine eg. at which scanline or pixel count certain
events occur.
Signed-off-by: Ville Syrjälä <ville.syrjala at linux.intel.com>
---
Ideas for a better name are welcome!
lib/intel_reg.h | 22 +-
tools/Makefile.sources | 1 +
tools/intel_poller.c | 1471 ++++++++++++++++++++++++++++++++++++++++++++++++
3 files changed, 1491 insertions(+), 3 deletions(-)
create mode 100644 tools/intel_poller.c
diff --git a/lib/intel_reg.h b/lib/intel_reg.h
index 84e05e4..87a14c9 100644
--- a/lib/intel_reg.h
+++ b/lib/intel_reg.h
@@ -2248,7 +2248,11 @@ SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#define PIPE_PIXEL_MASK 0x00ffffff
#define PIPE_PIXEL_SHIFT 0
-
+/*
+ * g4x+ frame/flip counters
+ */
+#define PIPEAFRMCOUNT_G4X 0x70040
+#define PIPEAFLIPCOUNT_G4X 0x70044
/*
* Computing GMCH M and N values.
*
@@ -2296,20 +2300,24 @@ SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
#define PIPEBSTAT 0x71024
#define PIPEBFRAMEHIGH 0x71040
#define PIPEBFRAMEPIXEL 0x71044
+#define PIPEBFRMCOUNT_G4X 0x71040
+#define PIPEBFLIPCOUNT_G4X 0x71044
#define PIPEB_GMCH_DATA_M 0x71050
#define PIPEB_GMCH_DATA_N 0x71054
#define PIPEB_DP_LINK_M 0x71060
#define PIPEB_DP_LINK_N 0x71064
+#define PIPEC_DSL 0x72000
+
#define PIPECCONF 0x72008
#define PIPECGCMAXRED 0x72010
#define PIPECGCMAXGREEN 0x72014
#define PIPECGCMAXBLUE 0x72018
#define PIPECSTAT 0x72024
-#define PIPECFRAMEHIGH 0x72040
-#define PIPECFRAMEPIXEL 0x72044
+#define PIPECFRMCOUNT_G4X 0x72040
+#define PIPECFLIPCOUNT_G4X 0x72044
#define PIPEC_GMCH_DATA_M 0x72050
#define PIPEC_GMCH_DATA_N 0x72054
@@ -2370,12 +2378,15 @@ SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
#define DSPASURF 0x7019C
#define DSPATILEOFF 0x701A4
+#define DSPASURFLIVE 0x701AC
#define DSPBSURF 0x7119C
#define DSPBTILEOFF 0x711A4
+#define DSPBSURFLIVE 0x711AC
#define DSPCSURF 0x7219C
#define DSPCTILEOFF 0x721A4
+#define DSPCSURFLIVE 0x721AC
#define VGACNTRL 0x71400
# define VGA_DISP_DISABLE (1 << 31)
@@ -2879,6 +2890,11 @@ typedef enum {
#define DEIIR 0x44008
#define DEIER 0x4400c
+#define GEN8_DE_PIPE_ISR(pipe) (0x44400 + 0x10 * (pipe))
+#define GEN8_DE_PIPE_IMR(pipe) (0x44404 + 0x10 * (pipe))
+#define GEN8_DE_PIPE_IIR(pipe) (0x44408 + 0x10 * (pipe))
+#define GEN8_DE_PIPE_IER(pipe) (0x4440c + 0x10 * (pipe))
+
/* GT interrupt */
#define GT_SYNC_STATUS (1 << 2)
#define GT_USER_INTERRUPT (1 << 0)
diff --git a/tools/Makefile.sources b/tools/Makefile.sources
index c2535e7..6f6ca4a 100644
--- a/tools/Makefile.sources
+++ b/tools/Makefile.sources
@@ -12,6 +12,7 @@ bin_PROGRAMS = \
intel_iosf_sb_write \
intel_opregion_decode \
intel_perf_counters \
+ intel_poller \
intel_stepping \
intel_reg_checker \
intel_reg_dumper \
diff --git a/tools/intel_poller.c b/tools/intel_poller.c
new file mode 100644
index 0000000..ebc594a
--- /dev/null
+++ b/tools/intel_poller.c
@@ -0,0 +1,1471 @@
+/*
+ * Copyright © 2014 Intel Corporation
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ *
+ */
+
+#include <assert.h>
+#include <fcntl.h>
+#include <getopt.h>
+#include <unistd.h>
+#include <signal.h>
+#include <stdbool.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <err.h>
+#include <string.h>
+#include "intel_chipset.h"
+#include "intel_io.h"
+#include "igt_debugfs.h"
+#include "drmtest.h"
+
+#define min(a,b) ((a) < (b) ? (a) : (b))
+#define max(a,b) ((a) > (b) ? (a) : (b))
+
+enum test {
+ TEST_INVALID,
+ TEST_PIPESTAT,
+ TEST_IIR,
+ TEST_IIR_GEN2,
+ TEST_IIR_GEN3,
+ TEST_DEIIR,
+ TEST_FRAMECOUNT,
+ TEST_FRAMECOUNT_GEN3,
+ TEST_FRAMECOUNT_G4X,
+ TEST_FLIPCOUNT,
+ TEST_PAN,
+ TEST_FLIP,
+ TEST_SURFLIVE,
+ TEST_WRAP,
+ TEST_FIELD,
+};
+
+static uint32_t vlv_offset;
+
+static volatile bool quit;
+
+static void sighandler(int x)
+{
+ quit = true;
+}
+
+static uint16_t read_reg_16(uint32_t reg)
+{
+ return *(volatile uint16_t *)((volatile char*)mmio + vlv_offset + reg);
+}
+
+static uint32_t read_reg(uint32_t reg)
+{
+ return *(volatile uint32_t *)((volatile char*)mmio + vlv_offset + reg);
+}
+
+static void write_reg_16(uint32_t reg, uint16_t val)
+{
+ *(volatile uint16_t *)((volatile char*)mmio + vlv_offset + reg) = val;
+}
+
+static void write_reg(uint32_t reg, uint32_t val)
+{
+ *(volatile uint32_t *)((volatile char*)mmio + vlv_offset + reg) = val;
+}
+
+static int pipe_to_plane(uint32_t devid, int pipe)
+{
+ if (!IS_GEN2(devid) && !IS_GEN3(devid))
+ return pipe;
+
+ switch (pipe) {
+ case 0:
+ if ((read_reg(DSPACNTR) & DISPPLANE_SEL_PIPE_MASK) == DISPPLANE_SEL_PIPE_B)
+ return 1;
+ return 0;
+ case 1:
+ if ((read_reg(DSPACNTR) & DISPPLANE_SEL_PIPE_MASK) == DISPPLANE_SEL_PIPE_A)
+ return 0;
+ return 1;
+ }
+
+ assert(0);
+
+ return 0;
+}
+
+static uint32_t dspoffset_reg(uint32_t devid, int pipe)
+{
+ bool use_tileoff;
+
+ pipe = pipe_to_plane(devid, pipe);
+
+ if (IS_GEN2(devid) || IS_GEN3(devid))
+ use_tileoff = false;
+ if (IS_HASWELL(devid) || IS_BROADWELL(devid))
+ use_tileoff = true;
+ else {
+ switch (pipe) {
+ case 0:
+ use_tileoff = read_reg(DSPACNTR) & DISPLAY_PLANE_TILED;
+ break;
+ case 1:
+ use_tileoff = read_reg(DSPBCNTR) & DISPLAY_PLANE_TILED;
+ break;
+ case 2:
+ use_tileoff = read_reg(DSPCCNTR) & DISPLAY_PLANE_TILED;
+ break;
+ }
+ }
+
+ if (use_tileoff) {
+ switch (pipe) {
+ case 0:
+ return DSPATILEOFF;
+ case 1:
+ return DSPBTILEOFF;
+ case 2:
+ return DSPCTILEOFF;
+ }
+ } else {
+ switch (pipe) {
+ case 0:
+ return DSPABASE;
+ case 1:
+ return DSPBBASE;
+ case 2:
+ return DSPCBASE;
+ }
+ }
+
+ assert(0);
+
+ return 0;
+}
+
+static uint32_t dspsurf_reg(uint32_t devid, int pipe)
+{
+ pipe = pipe_to_plane(devid, pipe);
+
+ if (IS_GEN2(devid) || IS_GEN3(devid)) {
+ switch (pipe) {
+ case 0:
+ return DSPABASE;
+ case 1:
+ return DSPBBASE;
+ case 2:
+ return DSPCBASE;
+ }
+ } else {
+ switch (pipe) {
+ case 0:
+ return DSPASURF;
+ case 1:
+ return DSPBSURF;
+ case 2:
+ return DSPCSURF;
+ }
+ }
+
+ assert(0);
+
+ return 0;
+}
+
+static uint32_t dsl_reg(int pipe)
+{
+ switch (pipe) {
+ case 0:
+ return PIPEA_DSL;
+ case 1:
+ return PIPEB_DSL;
+ case 2:
+ return PIPEC_DSL;
+ }
+
+ assert(0);
+
+ return 0;
+}
+
+static void poll_pixel_pipestat(int pipe, int bit, uint32_t *min, uint32_t *max, const int count)
+{
+ uint32_t pix, pix1, pix2, iir, iir1, iir2, iir_bit, iir_mask;
+ int i = 0;
+
+ switch (pipe) {
+ case 0:
+ pix = PIPEAFRAMEPIXEL;
+ iir_bit = 1 << bit;
+ iir = PIPEASTAT;
+ break;
+ case 1:
+ pix = PIPEBFRAMEPIXEL;
+ iir_bit = 1 << bit;
+ iir = PIPEBSTAT;
+ break;
+ default:
+ return;
+ }
+
+ iir_mask = read_reg(iir) & 0x7fff0000;
+
+ write_reg(iir, iir_mask | iir_bit);
+
+ while (!quit) {
+ pix1 = read_reg(pix);
+ iir1 = read_reg(iir);
+ iir2 = read_reg(iir);
+ pix2 = read_reg(pix);
+
+ if (!(iir2 & iir_bit))
+ continue;
+
+ if (iir1 & iir_bit) {
+ write_reg(iir, iir_mask | iir_bit);
+ continue;
+ }
+
+ pix1 &= PIPE_PIXEL_MASK;
+ pix2 &= PIPE_PIXEL_MASK;
+
+ min[i] = pix1;
+ max[i] = pix2;
+ if (++i >= count)
+ break;
+ }
+}
+
+static void poll_pixel_iir_gen3(int pipe, int bit, uint32_t *min, uint32_t *max, const int count)
+{
+ uint32_t pix, pix1, pix2, iir1, iir2, imr_save, ier_save;
+ int i = 0;
+
+ bit = 1 << bit;
+
+ switch (pipe) {
+ case 0:
+ pix = PIPEAFRAMEPIXEL;
+ break;
+ case 1:
+ pix = PIPEBFRAMEPIXEL;
+ break;
+ default:
+ return;
+ }
+
+ imr_save = read_reg(IMR);
+ ier_save = read_reg(IER);
+
+ write_reg(IER, ier_save & ~bit);
+ write_reg(IMR, imr_save & ~bit);
+
+ write_reg(IIR, bit);
+
+ while (!quit) {
+ pix1 = read_reg(pix);
+ iir1 = read_reg(IIR);
+ iir2 = read_reg(IIR);
+ pix2 = read_reg(pix);
+
+ if (!(iir2 & bit))
+ continue;
+
+ write_reg(IIR, bit);
+
+ if (iir1 & bit)
+ continue;
+
+ pix1 &= PIPE_PIXEL_MASK;
+ pix2 &= PIPE_PIXEL_MASK;
+
+ min[i] = pix1;
+ max[i] = pix2;
+ if (++i >= count)
+ break;
+ }
+
+ write_reg(IMR, imr_save);
+ write_reg(IER, ier_save);
+}
+
+static void poll_pixel_framecount_gen3(int pipe, uint32_t *min, uint32_t *max, const int count)
+{
+ uint32_t pix, pix1, pix2, frm1, frm2;
+ int i = 0;
+
+ switch (pipe) {
+ case 0:
+ pix = PIPEAFRAMEPIXEL;
+ break;
+ case 1:
+ pix = PIPEBFRAMEPIXEL;
+ break;
+ default:
+ return;
+ }
+
+ while (!quit) {
+ pix1 = read_reg(pix);
+ pix2 = read_reg(pix);
+
+ frm1 = pix1 >> 24;
+ frm2 = pix2 >> 24;
+
+ if (frm1 + 1 != frm2)
+ continue;
+
+ pix1 &= PIPE_PIXEL_MASK;
+ pix2 &= PIPE_PIXEL_MASK;
+
+ min[i] = pix1;
+ max[i] = pix2;
+ if (++i >= count)
+ break;
+ }
+}
+
+static void poll_pixel_pan(uint32_t devid, int pipe, int target_pixel, int target_fuzz,
+ uint32_t *min, uint32_t *max, const int count)
+{
+ uint32_t pix, pix1 = 0, pix2 = 0;
+ uint32_t saved, surf = 0;
+ int i = 0;
+
+ switch (pipe) {
+ case 0:
+ pix = PIPEAFRAMEPIXEL;
+ break;
+ case 1:
+ pix = PIPEBFRAMEPIXEL;
+ break;
+ default:
+ return;
+ }
+
+ surf = dspoffset_reg(devid, pipe);
+
+ saved = read_reg(surf);
+
+ while (!quit) {
+ while (!quit){
+ pix1 = read_reg(pix) & PIPE_PIXEL_MASK;
+ if (pix1 == target_pixel)
+ break;
+ }
+
+ write_reg(surf, saved+256);
+
+ while (!quit){
+ pix2 = read_reg(pix) & PIPE_PIXEL_MASK;
+ if (pix2 >= target_pixel + target_fuzz)
+ break;
+ }
+
+ write_reg(surf, saved);
+
+ min[i] = pix1;
+ max[i] = pix2;
+ if (++i >= count)
+ break;
+ }
+
+ write_reg(surf, saved);
+}
+
+static void poll_pixel_flip(uint32_t devid, int pipe, int target_pixel, int target_fuzz,
+ uint32_t *min, uint32_t *max, const int count)
+{
+ uint32_t pix, pix1, pix2;
+ uint32_t saved, surf = 0;
+ int i = 0;
+
+ switch (pipe) {
+ case 0:
+ pix = PIPEAFRAMEPIXEL;
+ case 1:
+ pix = PIPEBFRAMEPIXEL;
+ default:
+ return;
+ }
+
+ surf = dspsurf_reg(devid, pipe);
+
+ saved = read_reg(surf);
+
+ while (!quit) {
+ while (!quit){
+ pix1 = read_reg(pix) & PIPE_PIXEL_MASK;
+ if (pix1 == target_pixel)
+ break;
+ }
+
+ write_reg(surf, saved+4096);
+
+ while (!quit){
+ pix2 = read_reg(pix) & PIPE_PIXEL_MASK;
+ if (pix2 >= target_pixel + target_fuzz)
+ break;
+ }
+
+ write_reg(surf, saved);
+
+ min[i] = pix1;
+ max[i] = pix2;
+ if (++i >= count)
+ break;
+ }
+
+ write_reg(surf, saved);
+}
+
+static void poll_pixel_wrap(int pipe, uint32_t *min, uint32_t *max, const int count)
+{
+ uint32_t pix, pix1, pix2;
+ int i = 0;
+
+ switch (pipe) {
+ case 0:
+ pix = PIPEAFRAMEPIXEL;
+ break;
+ case 1:
+ pix = PIPEBFRAMEPIXEL;
+ break;
+ default:
+ return;
+ }
+
+ while (!quit) {
+ pix1 = read_reg(pix);
+ pix2 = read_reg(pix);
+
+ pix1 &= PIPE_PIXEL_MASK;
+ pix2 &= PIPE_PIXEL_MASK;
+
+ if (pix2 >= pix1)
+ continue;
+
+ min[i] = pix1;
+ max[i] = pix2;
+ if (++i >= count)
+ break;
+ }
+}
+
+static void poll_dsl_pipestat(int pipe, int bit,
+ uint32_t *min, uint32_t *max, const int count)
+{
+ uint32_t dsl, dsl1, dsl2, iir, iir1, iir2, iir_bit, iir_mask;
+ bool field1, field2;
+ int i[2] = {};
+
+ switch (pipe) {
+ case 0:
+ iir_bit = 1 << bit;
+ iir = PIPEASTAT;
+ break;
+ case 1:
+ iir_bit = 1 << bit;
+ iir = PIPEBSTAT;
+ break;
+ default:
+ return;
+ }
+
+ dsl = dsl_reg(pipe);
+
+ iir_mask = read_reg(iir) & 0x7fff0000;
+
+ write_reg(iir, iir_mask | iir_bit);
+
+ while (!quit) {
+ dsl1 = read_reg(dsl);
+ iir1 = read_reg(iir);
+ iir2 = read_reg(iir);
+ dsl2 = read_reg(dsl);
+
+ field1 = dsl1 & 0x80000000;
+ field2 = dsl2 & 0x80000000;
+ dsl1 &= ~0x80000000;
+ dsl2 &= ~0x80000000;
+
+ if (!(iir2 & iir_bit))
+ continue;
+
+ if (iir1 & iir_bit) {
+ write_reg(iir, iir_mask | iir_bit);
+ continue;
+ }
+
+ if (field1 != field2)
+ printf("fields are different (%u:%u -> %u:%u)\n",
+ field1, dsl1, field2, dsl2);
+
+ min[field1*count+i[field1]] = dsl1;
+ max[field1*count+i[field1]] = dsl2;
+ if (++i[field1] >= count)
+ break;
+ }
+}
+
+static void poll_dsl_iir_gen2(int pipe, int bit,
+ uint32_t *min, uint32_t *max, const int count)
+{
+ uint32_t dsl, dsl1, dsl2, iir1, iir2, imr_save, ier_save;
+ bool field1, field2;
+ int i[2] = {};
+
+ bit = 1 << bit;
+
+ dsl = dsl_reg(pipe);
+
+ imr_save = read_reg_16(IMR);
+ ier_save = read_reg_16(IER);
+
+ write_reg_16(IER, ier_save & ~bit);
+ write_reg_16(IMR, imr_save & ~bit);
+
+ write_reg_16(IIR, bit);
+
+ while (!quit) {
+ dsl1 = read_reg(dsl);
+ iir1 = read_reg_16(IIR);
+ iir2 = read_reg_16(IIR);
+ dsl2 = read_reg(dsl);
+
+ field1 = dsl1 & 0x80000000;
+ field2 = dsl2 & 0x80000000;
+ dsl1 &= ~0x80000000;
+ dsl2 &= ~0x80000000;
+
+ if (!(iir2 & bit))
+ continue;
+
+ write_reg_16(IIR, bit);
+
+ if (iir1 & bit)
+ continue;
+
+ if (field1 != field2)
+ printf("fields are different (%u:%u -> %u:%u)\n",
+ field1, dsl1, field2, dsl2);
+
+ min[field1*count+i[field1]] = dsl1;
+ max[field1*count+i[field1]] = dsl2;
+ if (++i[field1] >= count)
+ break;
+ }
+
+ write_reg_16(IMR, imr_save);
+ write_reg_16(IER, ier_save);
+}
+
+static void poll_dsl_iir_gen3(int pipe, int bit,
+ uint32_t *min, uint32_t *max, const int count)
+{
+ uint32_t dsl, dsl1, dsl2, iir1, iir2, imr_save, ier_save;
+ bool field1, field2;
+ int i[2] = {};
+
+ bit = 1 << bit;
+
+ dsl = dsl_reg(pipe);
+
+ imr_save = read_reg(IMR);
+ ier_save = read_reg(IER);
+
+ write_reg(IER, ier_save & ~bit);
+ write_reg(IMR, imr_save & ~bit);
+
+ write_reg(IIR, bit);
+
+ while (!quit) {
+ dsl1 = read_reg(dsl);
+ iir1 = read_reg(IIR);
+ iir2 = read_reg(IIR);
+ dsl2 = read_reg(dsl);
+
+ field1 = dsl1 & 0x80000000;
+ field2 = dsl2 & 0x80000000;
+ dsl1 &= ~0x80000000;
+ dsl2 &= ~0x80000000;
+
+ if (!(iir2 & bit))
+ continue;
+
+ write_reg(IIR, bit);
+
+ if (iir1 & bit)
+ continue;
+
+ if (field1 != field2)
+ printf("fields are different (%u:%u -> %u:%u)\n",
+ field1, dsl1, field2, dsl2);
+
+ min[field1*count+i[field1]] = dsl1;
+ max[field1*count+i[field1]] = dsl2;
+ if (++i[field1] >= count)
+ break;
+ }
+
+ write_reg(IMR, imr_save);
+ write_reg(IER, ier_save);
+}
+
+static void poll_dsl_deiir(uint32_t devid, int pipe, int bit,
+ uint32_t *min, uint32_t *max, const int count)
+{
+ uint32_t dsl, dsl1, dsl2, iir1, iir2, imr_save, ier_save;
+ bool field1, field2;
+ uint32_t iir, ier, imr;
+ int i[2] = {};
+
+ bit = 1 << bit;
+
+ dsl = dsl_reg(pipe);
+
+ if (IS_GEN8(devid)) {
+ iir = GEN8_DE_PIPE_IIR(pipe);
+ ier = GEN8_DE_PIPE_IER(pipe);
+ imr = GEN8_DE_PIPE_IMR(pipe);
+ } else {
+ iir = DEIIR;
+ ier = DEIER;
+ imr = DEIMR;
+ }
+
+ imr_save = read_reg(imr);
+ ier_save = read_reg(ier);
+
+ write_reg(ier, ier_save & ~bit);
+ write_reg(imr, imr_save & ~bit);
+
+ write_reg(iir, bit);
+
+ while (!quit) {
+ dsl1 = read_reg(dsl);
+ iir1 = read_reg(iir);
+ iir2 = read_reg(iir);
+ dsl2 = read_reg(dsl);
+
+ field1 = dsl1 & 0x80000000;
+ field2 = dsl2 & 0x80000000;
+ dsl1 &= ~0x80000000;
+ dsl2 &= ~0x80000000;
+
+ if (!(iir2 & bit))
+ continue;
+
+ write_reg(iir, bit);
+
+ if (iir1 & bit)
+ continue;
+
+ if (field1 != field2)
+ printf("fields are different (%u:%u -> %u:%u)\n",
+ field1, dsl1, field2, dsl2);
+
+ min[field1*count+i[field1]] = dsl1;
+ max[field1*count+i[field1]] = dsl2;
+ if (++i[field1] >= count)
+ break;
+ }
+
+ write_reg(imr, imr_save);
+ write_reg(ier, ier_save);
+}
+
+static void poll_dsl_framecount_g4x(int pipe, uint32_t *min, uint32_t *max, const int count)
+{
+ uint32_t dsl, dsl1, dsl2, frm, frm1, frm2;
+ bool field1, field2;
+ int i[2] = {};
+
+ switch (pipe) {
+ case 0:
+ frm = PIPEAFRMCOUNT_G4X;
+ break;
+ case 1:
+ frm = PIPEBFRMCOUNT_G4X;
+ break;
+ case 2:
+ frm = PIPECFRMCOUNT_G4X;
+ break;
+ default:
+ return;
+ }
+
+ dsl = dsl_reg(pipe);
+
+ while (!quit) {
+ dsl1 = read_reg(dsl);
+ frm1 = read_reg(frm);
+ frm2 = read_reg(frm);
+ dsl2 = read_reg(dsl);
+
+ field1 = dsl1 & 0x80000000;
+ field2 = dsl2 & 0x80000000;
+ dsl1 &= ~0x80000000;
+ dsl2 &= ~0x80000000;
+
+ if (frm1 + 1 != frm2)
+ continue;
+
+ if (field1 != field2)
+ printf("fields are different (%u:%u -> %u:%u)\n",
+ field1, dsl1, field2, dsl2);
+
+ min[field1*count+i[field1]] = dsl1;
+ max[field1*count+i[field1]] = dsl2;
+ if (++i[field1] >= count)
+ break;
+ }
+}
+
+static void poll_dsl_flipcount_g4x(uint32_t devid, int pipe,
+ uint32_t *min, uint32_t *max, const int count)
+{
+ uint32_t dsl, dsl1, dsl2, flp, flp1, flp2, surf;
+ bool field1, field2;
+ int i[2] = {};
+
+ switch (pipe) {
+ case 0:
+ flp = PIPEAFLIPCOUNT_G4X;
+ break;
+ case 1:
+ flp = PIPEBFLIPCOUNT_G4X;
+ break;
+ case 2:
+ flp = PIPECFLIPCOUNT_G4X;
+ break;
+ default:
+ return;
+ }
+
+ dsl = dsl_reg(pipe);
+ surf = dspsurf_reg(devid, pipe);
+
+ while (!quit) {
+ usleep(10);
+ dsl1 = read_reg(dsl);
+ flp1 = read_reg(flp);
+ dsl2 = read_reg(dsl);
+
+ field1 = dsl1 & 0x80000000;
+ field2 = dsl2 & 0x80000000;
+ dsl1 &= ~0x80000000;
+ dsl2 &= ~0x80000000;
+
+ if (field1 != field2)
+ printf("fields are different (%u:%u -> %u:%u)\n",
+ field1, dsl1, field2, dsl2);
+
+ min[field1*count+i[field1]] = dsl1;
+ max[field1*count+i[field1]] = dsl2;
+ if (++i[field1] >= count)
+ return;
+
+ write_reg(surf, read_reg(surf));
+
+ while (!quit) {
+ dsl1 = read_reg(dsl);
+ flp2 = read_reg(flp);
+ dsl2 = read_reg(dsl);
+
+ field1 = dsl1 & 0x80000000;
+ field2 = dsl2 & 0x80000000;
+ dsl1 &= ~0x80000000;
+ dsl2 &= ~0x80000000;
+
+ if (flp1 == flp2)
+ continue;
+
+ if (field1 != field2)
+ printf("fields are different (%u:%u -> %u:%u)\n",
+ field1, dsl1, field2, dsl2);
+
+ min[field1*count+i[field1]] = dsl1;
+ max[field1*count+i[field1]] = dsl2;
+ if (++i[field1] >= count)
+ break;
+ }
+ if (i[field1] >= count)
+ break;
+ }
+}
+
+static void poll_dsl_framecount_gen3(int pipe, uint32_t *min, uint32_t *max, const int count)
+{
+ uint32_t dsl, dsl1, dsl2, frm, frm1, frm2;
+ bool field1, field2;
+ int i[2] = {};
+
+ switch (pipe) {
+ case 0:
+ frm = PIPEAFRAMEPIXEL;
+ break;
+ case 1:
+ frm = PIPEBFRAMEPIXEL;
+ break;
+ default:
+ return;
+ }
+
+ dsl = dsl_reg(pipe);
+
+ while (!quit) {
+ dsl1 = read_reg(dsl);
+ frm1 = read_reg(frm) >> 24;
+ frm2 = read_reg(frm) >> 24;
+ dsl2 = read_reg(dsl);
+
+ field1 = dsl1 & 0x80000000;
+ field2 = dsl2 & 0x80000000;
+ dsl1 &= ~0x80000000;
+ dsl2 &= ~0x80000000;
+
+ if (frm1 + 1 != frm2)
+ continue;
+
+ if (field1 != field2)
+ printf("fields are different (%u:%u -> %u:%u)\n",
+ field1, dsl1, field2, dsl2);
+
+ min[field1*count+i[field1]] = dsl1;
+ max[field1*count+i[field1]] = dsl2;
+ if (++i[field1] >= count)
+ break;
+ }
+}
+
+static void poll_dsl_pan(uint32_t devid, int pipe, int target_scanline, int target_fuzz,
+ uint32_t *min, uint32_t *max, const int count)
+{
+ uint32_t dsl, dsl1 = 0, dsl2 = 0;
+ bool field1 = false, field2 = false;
+ uint32_t saved, surf = 0;
+ int i[2] = {};
+
+ dsl = dsl_reg(pipe);
+ surf = dspoffset_reg(devid, pipe);
+
+ saved = read_reg(surf);
+
+ while (!quit) {
+ while (!quit) {
+ dsl1 = read_reg(dsl);
+ field1 = dsl1 & 0x80000000;
+ dsl1 &= ~0x80000000;
+ if (dsl1 == target_scanline)
+ break;
+ }
+
+ write_reg(surf, saved+256);
+
+ while (!quit) {
+ dsl2 = read_reg(dsl);
+ field2 = dsl1 & 0x80000000;
+ dsl2 &= ~0x80000000;
+ if (dsl2 == target_scanline + target_fuzz)
+ break;
+ }
+
+ write_reg(surf, saved);
+
+ if (field1 != field2)
+ printf("fields are different (%u:%u -> %u:%u)\n",
+ field1, dsl1, field2, dsl2);
+
+ min[field1*count+i[field1]] = dsl1;
+ max[field1*count+i[field1]] = dsl2;
+ if (++i[field1] >= count)
+ break;
+ }
+
+ write_reg(surf, saved);
+}
+
+static void poll_dsl_flip(uint32_t devid, int pipe, int target_scanline, int target_fuzz,
+ uint32_t *min, uint32_t *max, const int count)
+{
+ uint32_t dsl, dsl1 = 0, dsl2 = 0;
+ bool field1 = false, field2 = false;
+ uint32_t saved, surf = 0;
+ int i[2] = {};
+
+ dsl = dsl_reg(pipe);
+ surf = dspsurf_reg(devid, pipe);
+
+ saved = read_reg(surf);
+
+ while (!quit) {
+ while (!quit) {
+ dsl1 = read_reg(dsl);
+ field1 = dsl1 & 0x80000000;
+ dsl1 &= ~0x80000000;
+ if (dsl1 == target_scanline)
+ break;
+ }
+
+ write_reg(surf, saved+4096);
+
+ while (!quit) {
+ dsl2 = read_reg(dsl);
+ field2 = dsl1 & 0x80000000;
+ dsl2 &= ~0x80000000;
+ if (dsl2 == target_scanline + target_fuzz)
+ break;
+ }
+
+ write_reg(surf, saved);
+
+ if (field1 != field2)
+ printf("fields are different (%u:%u -> %u:%u)\n",
+ field1, dsl1, field2, dsl2);
+
+ min[field1*count+i[field1]] = dsl1;
+ max[field1*count+i[field1]] = dsl2;
+ if (++i[field1] >= count)
+ break;
+ }
+
+ write_reg(surf, saved);
+}
+
+static void poll_dsl_surflive(uint32_t devid, int pipe,
+ uint32_t *min, uint32_t *max, const int count)
+{
+ uint32_t dsl, dsl1 = 0, dsl2 = 0, surf, surf1, surf2, surflive, surfl1 = 0, surfl2, saved, tmp;
+ bool field1 = false, field2 = false;
+ int i[2] = {};
+
+ switch (pipe) {
+ case 0:
+ surflive = DSPASURFLIVE;
+ break;
+ case 1:
+ surflive = DSPBSURFLIVE;
+ break;
+ case 2:
+ surflive = DSPCSURFLIVE;
+ break;
+ default:
+ return;
+ }
+
+ dsl = dsl_reg(pipe);
+ surf = dspsurf_reg(devid, pipe);
+
+ saved = read_reg(surf);
+
+ surf1 = saved & ~0xfff;
+ surf2 = surf1 + 4096;
+
+ while (!quit) {
+ write_reg(surf, surf2);
+
+ while (!quit) {
+ dsl1 = read_reg(dsl);
+ surfl1 = read_reg(surflive) & ~0xfff;
+ surfl2 = read_reg(surflive) & ~0xfff;
+ dsl2 = read_reg(dsl);
+
+ field1 = dsl1 & 0x80000000;
+ field2 = dsl2 & 0x80000000;
+ dsl1 &= ~0x80000000;
+ dsl2 &= ~0x80000000;
+
+ if (surfl2 == surf2)
+ break;
+ }
+
+ if (surfl1 != surf2) {
+ if (field1 != field2)
+ printf("fields are different (%u:%u -> %u:%u)\n",
+ field1, dsl1, field2, dsl2);
+
+ min[field1*count+i[field1]] = dsl1;
+ max[field1*count+i[field1]] = dsl2;
+ if (++i[field1] >= count)
+ break;
+ }
+
+ tmp = surf1;
+ surf1 = surf2;
+ surf2 = tmp;
+ }
+
+ write_reg(surf, saved);
+}
+
+static void poll_dsl_wrap(int pipe, uint32_t *min, uint32_t *max, const int count)
+{
+ uint32_t dsl, dsl1, dsl2;
+ bool field1, field2;
+ int i[2] = {};
+
+ dsl = dsl_reg(pipe);
+
+ while (!quit) {
+ dsl1 = read_reg(dsl);
+ dsl2 = read_reg(dsl);
+
+ field1 = dsl1 & 0x80000000;
+ field2 = dsl2 & 0x80000000;
+ dsl1 &= ~0x80000000;
+ dsl2 &= ~0x80000000;
+
+ if (dsl2 >= dsl1)
+ continue;
+
+ if (field1 != field2)
+ printf("fields are different (%u:%u -> %u:%u)\n",
+ field1, dsl1, field2, dsl2);
+
+ min[field1*count+i[field1]] = dsl1;
+ max[field1*count+i[field1]] = dsl2;
+ if (++i[field1] >= count)
+ break;
+ }
+}
+
+static void poll_dsl_field(int pipe, uint32_t *min, uint32_t *max, const int count)
+{
+ uint32_t dsl, dsl1, dsl2;
+ bool field1, field2;
+ int i[2] = {};
+
+ dsl = dsl_reg(pipe);
+
+ while (!quit) {
+ dsl1 = read_reg(dsl);
+ dsl2 = read_reg(dsl);
+
+ field1 = dsl1 & 0x80000000;
+ field2 = dsl2 & 0x80000000;
+ dsl1 &= ~0x80000000;
+ dsl2 &= ~0x80000000;
+
+ if (field1 == field2)
+ continue;
+
+ min[field1*count+i[field1]] = dsl1;
+ max[field1*count+i[field1]] = dsl2;
+ if (++i[field1] >= count)
+ break;
+ }
+}
+
+static char pipe_name(int pipe)
+{
+ return pipe + 'A';
+}
+
+static const char *test_name(enum test test, int pipe, int bit, bool test_pixel_count)
+{
+ static char str[32];
+ const char *type = test_pixel_count ? "pixel" : "dsl";
+
+ switch (test) {
+ case TEST_PIPESTAT:
+ snprintf(str, sizeof str, "%s / pipe %c / PIPESTAT[%d] (gmch)", type, pipe_name(pipe), bit);
+ return str;
+ case TEST_IIR_GEN2:
+ snprintf(str, sizeof str, "%s / pipe %c / IIR[%d] (gen2)", type, pipe_name(pipe), bit);
+ return str;
+ case TEST_IIR_GEN3:
+ snprintf(str, sizeof str, "%s / pipe %c / IIR[%d] (gen3+)", type, pipe_name(pipe), bit);
+ return str;
+ case TEST_DEIIR:
+ snprintf(str, sizeof str, "%s / pipe %c / DEIIR[%d] (pch)", type, pipe_name(pipe), bit);
+ return str;
+ case TEST_FRAMECOUNT_GEN3:
+ snprintf(str, sizeof str, "%s / pipe %c / Frame count (gen3/4)", type, pipe_name(pipe));
+ return str;
+ case TEST_FRAMECOUNT_G4X:
+ snprintf(str, sizeof str, "%s / pipe %c / Frame count (g4x+)", type, pipe_name(pipe));
+ return str;
+ case TEST_FLIPCOUNT:
+ snprintf(str, sizeof str, "%s / pipe %c / Flip count (g4x+)", type, pipe_name(pipe));
+ return str;
+ case TEST_PAN:
+ snprintf(str, sizeof str, "%s / pipe %c / Pan", type, pipe_name(pipe));
+ return str;
+ case TEST_FLIP:
+ snprintf(str, sizeof str, "%s / pipe %c / Flip", type, pipe_name(pipe));
+ return str;
+ case TEST_SURFLIVE:
+ snprintf(str, sizeof str, "%s / pipe %c / Surflive", type, pipe_name(pipe));
+ return str;
+ case TEST_WRAP:
+ snprintf(str, sizeof str, "%s / pipe %c / Wrap", type, pipe_name(pipe));
+ return str;
+ case TEST_FIELD:
+ snprintf(str, sizeof str, "%s / pipe %c / Field", type, pipe_name(pipe));
+ return str;
+ default:
+ return "";
+ }
+}
+
+static void usage(const char *name)
+{
+ fprintf(stderr, "Usage: %s [options]\n"
+ " -t,--test <pipestat|iir|framecount|flipcount|pan|flip|surflive|wrap|field>\n"
+ " -p,--pipe <pipe>\n"
+ " -b,--bit <bit>\n"
+ " -l,--line <target scanline/pixel>\n"
+ " -f,--fuzz <target fuzz>\n"
+ " -x,--pixel\n",
+ name);
+ exit(1);
+}
+
+int main(int argc, char *argv[])
+{
+ int fd, i;
+ int pipe = 0, bit = 0, target_scanline = 0, target_fuzz = 1;
+ bool test_pixelcount = false;
+ uint32_t devid;
+ uint32_t min[2*128] = {};
+ uint32_t max[2*128] = {};
+ uint32_t a, b;
+ enum test test = TEST_INVALID;
+ const int count = ARRAY_SIZE(min)/2;
+
+ for (;;) {
+ static const struct option long_options[] = {
+ { .name = "test", .has_arg = required_argument, },
+ { .name = "pipe", .has_arg = required_argument, },
+ { .name = "bit", .has_arg = required_argument, },
+ { .name = "line", .has_arg = required_argument, },
+ { .name = "fuzz", .has_arg = required_argument, },
+ { .name = "pixel", .has_arg = no_argument, },
+ { },
+ };
+
+ int opt = getopt_long(argc, argv, "t:p:b:l:f:x", long_options, NULL);
+ if (opt == -1)
+ break;
+
+ switch (opt) {
+ case 't':
+ if (!strcmp(optarg, "pipestat"))
+ test = TEST_PIPESTAT;
+ else if (!strcmp(optarg, "iir"))
+ test = TEST_IIR;
+ else if (!strcmp(optarg, "framecount"))
+ test = TEST_FRAMECOUNT;
+ else if (!strcmp(optarg, "flipcount"))
+ test = TEST_FLIPCOUNT;
+ else if (!strcmp(optarg, "pan"))
+ test = TEST_PAN;
+ else if (!strcmp(optarg, "flip"))
+ test = TEST_FLIP;
+ else if (!strcmp(optarg, "surflive"))
+ test = TEST_SURFLIVE;
+ else if (!strcmp(optarg, "wrap"))
+ test = TEST_WRAP;
+ else if (!strcmp(optarg, "field"))
+ test = TEST_FIELD;
+ else
+ usage(argv[0]);
+ break;
+ case 'p':
+ pipe = atoi(optarg);
+ if (pipe < 0 || pipe > 2)
+ usage(argv[0]);
+ break;
+ case 'b':
+ bit = atoi(optarg);
+ if (bit < 0 || bit > 31)
+ usage(argv[0]);
+ break;
+ case 'l':
+ target_scanline = atoi(optarg);
+ if (target_scanline < 0)
+ usage(argv[0]);
+ break;
+ case 'f':
+ target_fuzz = atoi(optarg);
+ if (target_fuzz <= 0)
+ usage(argv[0]);
+ break;
+ case 'x':
+ test_pixelcount = true;
+ break;
+ }
+ }
+
+ fd = drm_open_any();
+ devid = intel_get_drm_devid(fd);
+ close(fd);
+
+ /*
+ * check if the requires registers are
+ * avilable on the current platform.
+ */
+ if (IS_GEN2(devid)) {
+ if (pipe > 1)
+ usage(argv[0]);
+
+ if (test_pixelcount)
+ usage(argv[0]);
+
+ switch (test) {
+ case TEST_IIR:
+ test = TEST_IIR_GEN2;
+ break;
+ case TEST_PIPESTAT:
+ case TEST_PAN:
+ break;
+ case TEST_FLIP:
+ test = TEST_PAN;
+ break;
+ default:
+ usage(argv[0]);
+ }
+ } else if (IS_GEN3(devid) ||
+ (IS_GEN4(devid) && !IS_G4X(devid))) {
+ if (pipe > 1)
+ usage(argv[0]);
+
+ switch (test) {
+ case TEST_IIR:
+ test = TEST_IIR_GEN3;
+ break;
+ case TEST_FRAMECOUNT:
+ test = TEST_FRAMECOUNT_GEN3;
+ break;
+ case TEST_PIPESTAT:
+ case TEST_PAN:
+ case TEST_WRAP:
+ case TEST_FIELD:
+ break;
+ case TEST_FLIP:
+ if (IS_GEN3(devid))
+ test = TEST_PAN;
+ break;
+ default:
+ usage(argv[0]);
+ }
+ } else if (IS_G4X(devid) || IS_VALLEYVIEW(devid)) {
+ if (IS_VALLEYVIEW(devid))
+ vlv_offset = 0x180000;
+
+ if (pipe > 1)
+ usage(argv[0]);
+
+ if (test_pixelcount)
+ usage(argv[0]);
+
+ switch (test) {
+ case TEST_IIR:
+ test = TEST_IIR_GEN3;
+ break;
+ case TEST_FRAMECOUNT:
+ test = TEST_FRAMECOUNT_G4X;
+ break;
+ case TEST_FLIPCOUNT:
+ case TEST_PIPESTAT:
+ case TEST_PAN:
+ case TEST_FLIP:
+ case TEST_SURFLIVE:
+ case TEST_WRAP:
+ case TEST_FIELD:
+ break;
+ default:
+ usage(argv[0]);
+ }
+ } else if (HAS_PCH_SPLIT(devid) &&
+ (IS_GEN5(devid) || IS_GEN6(devid) || IS_GEN7(devid))) {
+ if (pipe > 1 &&
+ (IS_GEN5(devid) || IS_GEN6(devid)))
+ usage(argv[0]);
+
+ if (test_pixelcount)
+ usage(argv[0]);
+
+ switch (test) {
+ case TEST_IIR:
+ test = TEST_DEIIR;
+ break;
+ case TEST_FRAMECOUNT:
+ test = TEST_FRAMECOUNT_G4X;
+ break;
+ case TEST_FLIPCOUNT:
+ case TEST_PAN:
+ case TEST_FLIP:
+ case TEST_SURFLIVE:
+ case TEST_WRAP:
+ case TEST_FIELD:
+ break;
+ default:
+ usage(argv[0]);
+ }
+ } else if (IS_GEN8(devid)) {
+ if (test_pixelcount)
+ usage(argv[0]);
+
+ switch (test) {
+ case TEST_IIR:
+ test = TEST_DEIIR;
+ break;
+ case TEST_FRAMECOUNT:
+ test = TEST_FRAMECOUNT_G4X;
+ break;
+ case TEST_FLIPCOUNT:
+ case TEST_PAN:
+ case TEST_FLIP:
+ case TEST_SURFLIVE:
+ case TEST_WRAP:
+ case TEST_FIELD:
+ break;
+ default:
+ usage(argv[0]);
+ }
+ } else {
+ usage(argv[0]);
+ }
+
+ switch (test) {
+ case TEST_IIR:
+ case TEST_FRAMECOUNT:
+ /* should no longer have the generic tests here */
+ assert(0);
+ default:
+ break;
+ }
+
+ intel_register_access_init(intel_get_pci_device(), 0);
+
+ printf("%s?\n", test_name(test, pipe, bit, test_pixelcount));
+
+ signal(SIGHUP, sighandler);
+ signal(SIGINT, sighandler);
+ signal(SIGTERM, sighandler);
+
+ switch (test) {
+ case TEST_PIPESTAT:
+ if (test_pixelcount)
+ poll_pixel_pipestat(pipe, bit, min, max, count);
+ else
+ poll_dsl_pipestat(pipe, bit, min, max, count);
+ break;
+ case TEST_IIR_GEN2:
+ assert(!test_pixelcount);
+ poll_dsl_iir_gen2(pipe, bit, min, max, count);
+ break;
+ case TEST_IIR_GEN3:
+ if (test_pixelcount)
+ poll_pixel_iir_gen3(pipe, bit, min, max, count);
+ else
+ poll_dsl_iir_gen3(pipe, bit, min, max, count);
+ break;
+ case TEST_DEIIR:
+ assert(!test_pixelcount);
+ poll_dsl_deiir(devid, pipe, bit, min, max, count);
+ break;
+ case TEST_FRAMECOUNT_GEN3:
+ if (test_pixelcount)
+ poll_pixel_framecount_gen3(pipe, min, max, count);
+ else
+ poll_dsl_framecount_gen3(pipe, min, max, count);
+ break;
+ case TEST_FRAMECOUNT_G4X:
+ assert(!test_pixelcount);
+ poll_dsl_framecount_g4x(pipe, min, max, count);
+ break;
+ case TEST_FLIPCOUNT:
+ assert(!test_pixelcount);
+ poll_dsl_flipcount_g4x(devid, pipe, min, max, count);
+ break;
+ case TEST_PAN:
+ if (test_pixelcount)
+ poll_pixel_pan(devid, pipe, target_scanline, target_fuzz,
+ min, max, count);
+ else
+ poll_dsl_pan(devid, pipe, target_scanline, target_fuzz,
+ min, max, count);
+ break;
+ case TEST_FLIP:
+ if (test_pixelcount)
+ poll_pixel_flip(devid, pipe, target_scanline, target_fuzz,
+ min, max, count);
+ else
+ poll_dsl_flip(devid, pipe, target_scanline, target_fuzz,
+ min, max, count);
+ break;
+ case TEST_SURFLIVE:
+ poll_dsl_surflive(devid, pipe, min, max, count);
+ break;
+ case TEST_WRAP:
+ if (test_pixelcount)
+ poll_pixel_wrap(pipe, min, max, count);
+ else
+ poll_dsl_wrap(pipe, min, max, count);
+ break;
+ case TEST_FIELD:
+ poll_dsl_field(pipe, min, max, count);
+ break;
+ default:
+ assert(0);
+ }
+
+ intel_register_access_fini();
+
+ if (quit)
+ return 0;
+
+ for (i = 0; i < count; i++) {
+ if (min[0*count+i] == 0 && max[0*count+i] == 0)
+ break;
+ printf("[%u] %4u - %4u (%4u)\n", 0, min[0*count+i], max[0*count+i],
+ (min[0*count+i] + max[0*count+i] + 1) >> 1);
+ }
+ for (i = 0; i < count; i++) {
+ if (min[1*count+i] == 0 && max[1*count+i] == 0)
+ break;
+ printf("[%u] %4u - %4u (%4u)\n", 1, min[1*count+i], max[1*count+i],
+ (min[1*count+i] + max[1*count+i] + 1) >> 1);
+ }
+
+ a = 0;
+ b = 0xffffffff;
+ for (i = 0; i < count; i++) {
+ if (min[0*count+i] == 0 && max[0*count+i] == 0)
+ break;
+ a = max(a, min[0*count+i]);
+ b = min(b, max[0*count+i]);
+ }
+
+ printf("%s: [%u] %6u - %6u\n", test_name(test, pipe, bit, test_pixelcount), 0, a, b);
+
+ a = 0;
+ b = 0xffffffff;
+ for (i = 0; i < count; i++) {
+ if (min[1*count+i] == 0 && max[1*count+i] == 0)
+ break;
+ a = max(a, min[1*count+i]);
+ b = min(b, max[1*count+i]);
+ }
+
+ printf("%s: [%u] %6u - %6u\n", test_name(test, pipe, bit, test_pixelcount), 1, a, b);
+
+ return 0;
+}
--
1.8.5.5
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