From: Dhanya <dhanya....@intel.com>
This patch will verify color correction capability of a display driver.
Gamma/CSC/De-gamma for SKL/BXT supported.
Signed-off-by: Dhanya <dhanya....@intel.com>
---
tests/.gitignore | 1 +
tests/Makefile.sources | 1 +
tests/kms_color.c | 999 +++++++++++++++++++++++++++++++++++++++++++++++++
3 files changed, 1001 insertions(+)
create mode 100644 tests/kms_color.c
diff --git a/tests/.gitignore b/tests/.gitignore
index 7f20f2b..6fc4782 100644
--- a/tests/.gitignore
+++ b/tests/.gitignore
@@ -130,6 +130,7 @@ gen7_forcewake_mt
kms_3d
kms_addfb_basic
kms_atomic
+kms_color
kms_crtc_background_color
kms_cursor_crc
kms_draw_crc
diff --git a/tests/Makefile.sources b/tests/Makefile.sources
index d594038..f2af648 100644
--- a/tests/Makefile.sources
+++ b/tests/Makefile.sources
@@ -68,6 +68,7 @@ TESTS_progs_M = \
gem_write_read_ring_switch \
kms_addfb_basic \
kms_atomic \
+ kms_color \
kms_cursor_crc \
kms_draw_crc \
kms_fbc_crc \
diff --git a/tests/kms_color.c b/tests/kms_color.c
new file mode 100644
index 0000000..d951a09
--- /dev/null
+++ b/tests/kms_color.c
@@ -0,0 +1,999 @@
+/*
+ * Copyright ?? 2015 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 <sys/ioctl.h>
+#include <linux/types.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <math.h>
+#include "drmtest.h"
+#include "drm.h"
+#include "igt_debugfs.h"
+#include "igt_kms.h"
+#include "igt_core.h"
+#include "intel_io.h"
+#include "intel_chipset.h"
+#include "igt_aux.h"
+
+
+IGT_TEST_DESCRIPTION("Test Color Features at Pipe level");
+/*
+
+This tool tests the following color features:
+ CTM, GAMMA(8/10/12/split/legacy) and De-gamma.
+Few negative test cases are also included
+
+Tests willl enable one primary and one sprite plane and apply
+the specific color feature and do the verification by CRC checks.
+*/
+
+#define CSC_MAX_VALS 9
+#define BDW_SPLITGAMMA_MAX_VALS 512
+#define BDW_8BIT_GAMMA_MAX_VALS 256
+#define BDW_10BIT_GAMMA_MAX_VALS 1024
+#define BDW_12BIT_GAMMA_MAX_VALS 513
+#define BDW_MAX_GAMMA ((1 << 24) - 1)
+#define BDW_MIN_GAMMA 0
+
+#define RED_FB 0
+#define GREEN_FB 1
+#define BLUE_FB 2
+
+#ifndef drm_r32g32b32
+struct drm_r32g32b32 {
+ __u32 r32;
+ __u32 g32;
+ __u32 b32;
+ __u32 reserved;
+};
+#endif
+#ifndef drm_palette
+struct drm_palette {
+ struct drm_r32g32b32 lut[0];
+};
+#endif
+#ifndef drm_ctm
+ struct drm_ctm {
+ __s64 ctm_coeff[9];
+};
+#endif
+enum ctm_color {
+ RED,
+ GREEN,
+ BLUE,
+ REVERSE,
+ NEGATIVE,
+ FRACTION
+};
+
+enum blob {
+ INVALID_BLOB_ID,
+ INVALID_BLOB_DATA,
+ INVALID_BLOB_LENGTH,
+ INVALID_BLOB_ID_SMALL,
+ INVALID_BLOB_NULL
+};
+
+enum color_property {
+ ctm_property,
+ legacy_gamma,
+ gamma_property_8bit,
+ gamma_property_10bit,
+ gamma_property_12bit,
+ gamma_property_split
+};
+static const float ctm_red[9] = {1, 1, 1, 0, 0, 0, 0, 0, 0};
+static const float ctm_green[9] = {0, 0, 0, 1, 1, 1, 0, 0, 0};
+static const float ctm_blue[9] = {0, 0, 0, 0, 0, 0, 1, 1, 1};
+static const float ctm_identity[9] = {1, 0, 0, 0, 1, 0, 0, 0, 1};
+static const float ctm_reverse[9] = {0, 0, 1, 0, 1, 0, 1, 0, 0};
+static const float ctm_negative[9] = {-1, -1, -1, -1, -1, -1, -1, -1, -1};
+static const float ctm_fraction[9] = {1234567.7652, 0.12334, 0.9898989,
0.45454545, 0.12121212, 0.232323, 3.98768, 0.00000, 1.22345};
+
+
+struct framebuffer_color {
+ int red;
+ int green;
+ int blue;
+};
+struct framebuffer_color fb_color = { 0, 0, 0};
+
+
+struct data_t {
+ int fb_initial;
+ int drm_fd;
+ int gen;
+ int w, h;
+ igt_display_t display;
+ struct igt_fb fb_prep;
+ struct igt_fb fb, fb1;
+ igt_pipe_crc_t *pipe_crc;
+ enum pipe pipe;
+
+};
+
+
+static int create_blob(int fd, uint64_t *data, int length)
+{
+ struct drm_mode_create_blob blob;
+ int ret = -1;
+
+ blob.data = (uint64_t)data;
+ blob.length = length;
+ blob.blob_id = -1;
+ ret = ioctl(fd, DRM_IOCTL_MODE_CREATEPROPBLOB, &blob);
+ if (!ret)
+ return blob.blob_id;
+ igt_fail(IGT_EXIT_FAILURE);
+ return ret;
+}
+
+static void prepare_crtc(struct data_t *data, igt_output_t *output,
+ enum pipe pipe1, igt_plane_t *plane, drmModeModeInfo
*mode,
+ enum igt_commit_style s)
+{
+ igt_display_t *display = &data->display;
+
+ igt_output_set_pipe(output, pipe1);
+ igt_pipe_crc_free(data->pipe_crc);
+ data->pipe_crc = igt_pipe_crc_new(pipe1, INTEL_PIPE_CRC_SOURCE_AUTO);
+ /* before allocating, free if any older fb */
+ if (data->fb_initial) {
+ igt_remove_fb(data->drm_fd, &data->fb_prep);
+ data->fb_initial = 0;
+ }
+
+ /* allocate fb for plane 1 */
+ data->fb_initial = igt_create_color_fb(data->drm_fd,
+ mode->hdisplay, mode->vdisplay,
+ DRM_FORMAT_XRGB8888,
+ LOCAL_I915_FORMAT_MOD_X_TILED,
/* tiled */
+ fb_color.red, fb_color.green,
fb_color.blue,
+ &data->fb_prep);
+ igt_assert(data->fb_initial);
+
+ igt_plane_set_fb(plane, &data->fb_prep);
+
+ igt_display_commit2(display, s);
+}
+
+static void cleanup_fb(struct data_t *data)
+{
+
+ if (data->fb_initial) {
+ igt_remove_fb(data->drm_fd, &data->fb_prep);
+ data->fb_initial = 0;
+ }
+ if (data->fb.fb_id)
+ igt_remove_fb(data->drm_fd, &data->fb);
+
+}
+
+static void cleanup_crtc(struct data_t *data, igt_output_t *output,
+ igt_plane_t *plane)
+{
+ igt_display_t *display = &data->display;
+
+ if (!plane->is_primary) {
+ igt_plane_t *primary;
+
+ primary = igt_output_get_plane(output, IGT_PLANE_PRIMARY);
+ igt_plane_set_fb(primary, NULL);
+ }
+ igt_plane_set_fb(plane, NULL);
+ igt_output_set_pipe(output, PIPE_ANY);
+ igt_display_commit2(display, COMMIT_UNIVERSAL);
+
+}
+
+static int get_color_property(int drm_fd, int id, int object, const char
*prop_name)
+
+{
+ int i = 0, ret = 0;
+ int blob_id = -1;
+ drmModeObjectPropertiesPtr props = NULL;
+ igt_fail_on_f(id < 0 || ((object != DRM_MODE_OBJECT_CRTC) &&
+ (object != DRM_MODE_OBJECT_PLANE)), "Invalid input to get
color property %d", id);
+
+ props = drmModeObjectGetProperties(drm_fd, id, object);
+ igt_fail_on_f(!props, "\nNo property for object id=%d\n", id);
+ for (i = 0; i < props->count_props; i++) {
+ drmModePropertyPtr prop = drmModeGetProperty(drm_fd,
+ props->props[i]);
+ if (strcmp(prop->name, prop_name) == 0) {
+ blob_id = props->prop_values[i];
+ break;
+ }
+ drmModeFreeProperty(prop);
+ }
+
+ ret = blob_id;
+ drmModeFreeObjectProperties(props);
+ igt_fail_on_f(i == props->count_props, "%s No such property\n",
prop_name);
+ return ret;
+}
+
+
+static int set_color_property(int drm_fd, int id, int object, const char
*prop_name, int blob_id)
+{
+ int i = 0, res = -1;
+
+ drmModeObjectPropertiesPtr props = NULL;
+ igt_fail_on_f(id < 0 || ((object != DRM_MODE_OBJECT_CRTC) &&
+ (object != DRM_MODE_OBJECT_PLANE)), "Invalid input to
get color property %d", id);
+
+
+ props = drmModeObjectGetProperties(drm_fd, id, object);
+ igt_fail_on_f(!props, "\nNo property for object id=%d\n", id);
+ for (i = 0; i < props->count_props; i++) {
+ drmModePropertyPtr prop = drmModeGetProperty(drm_fd,
+ props->props[i]);
+ if (strcmp(prop->name, prop_name) == 0) {
+ res = drmModeObjectSetProperty(drm_fd, id, object,
+ (uint32_t)prop->prop_id,
blob_id);
+
+ if (res) {
+ drmModeFreeProperty(prop);
+ } else {
+ drmModeFreeProperty(prop);
+ break;
+ }
+ }
+
+ }
+ drmModeFreeObjectProperties(props);
+ igt_fail_on_f(i == props->count_props, "%s No such property\n",
prop_name);
+ return res;
+}
+
+static int64_t convertFloatToBinary(double input)
+{
+
+ int integer_part, count = 0;
+ uint32_t temp_ip, frac_val = 0x00000000;
+ uint64_t integer_val = 0x00000000;
+ int64_t value = 0x0000000000000000;
+ float fractional_part, ip;
+ integer_part = (int)input;
+ fractional_part = input - integer_part;
+ while (fractional_part != 0.000000) {
+ ip = fractional_part * 16;
+ temp_ip = (int)(fractional_part * 16);
+ frac_val = frac_val | (temp_ip << (28 - count * 4));
+ count++;
+ fractional_part = ip - temp_ip;
+ }
+ integer_val = integer_part;
+ value = value | ((integer_val) * ((int64_t)1L << 32));
+ value = value | frac_val;
+ return value;
+
+
+}
+
+static void write_gamma_lut(uint32_t num_samples, struct drm_r32g32b32
*gamma_ptr, int unit_gamma)
+{
+ unsigned short Red, Green, Blue;
+ uint32_t r32, b32, g32;
+ uint64_t i;
+
+ for (i = 0; i < num_samples; i++) {
+ if (unit_gamma == 0) {
+ Blue = BDW_MAX_GAMMA;
+ Green = BDW_MAX_GAMMA;
+ Red = BDW_MAX_GAMMA;
+ } else {
+ Blue = BDW_MIN_GAMMA;
+ Green = BDW_MIN_GAMMA;
+ Red = BDW_MIN_GAMMA;
+ }
+ r32 = Red;
+ g32 = Green;
+ b32 = Blue;
+ r32 <<= 8;
+ g32 <<= 8;
+ b32 <<= 8;
+ gamma_ptr[i].r32 = r32;
+ gamma_ptr[i].g32 = g32;
+ gamma_ptr[i].b32 = b32;
+ }
+}
+
+static uint64_t get_blob(int fd, int blob_id, int length)
+{
+ struct drm_mode_get_blob blob;
+ int ret = 0;
+
+ blob.blob_id = blob_id;
+ blob.length = length;
+ blob.data = (uint64_t)malloc(blob.length);
+ ret = ioctl(fd, DRM_IOCTL_MODE_GETPROPBLOB, &blob);
+
+ if (ret)
+ igt_info("GET BLOB Failed\n");
+
+ return blob.data;
+}
+
+static void enable_plane(struct data_t *data, igt_display_t *display,
igt_output_t *output, int pipe1)
+{
+ enum igt_commit_style commit;
+ enum pipe pipe2;
+ int width, height;
+ uint32_t pixelformat = DRM_FORMAT_XRGB8888;
+
+ commit = COMMIT_UNIVERSAL;
+ for_each_connected_output(display, output) {
+ drmModeModeInfo *mode;
+ igt_plane_t *plane;
+ pipe2 = output->config.pipe;
+
+ if (pipe2 != pipe1)
+ break;
+ igt_output_set_pipe(output, pipe2);
+ mode = igt_output_get_mode(output);
+ /*Draw the initial primary plane*/
+ plane = igt_output_get_plane(output, IGT_PLANE_PRIMARY);
+
+ prepare_crtc(data, output, pipe2, plane, mode, commit);
+ /*Random Size Buffer Creation */
+ width = 600;
+ height = 600;
+
+ plane = igt_output_get_plane(output, IGT_PLANE_2);
+ igt_create_color_fb(data->drm_fd,
+ width, height,
+ pixelformat,
+ LOCAL_DRM_FORMAT_MOD_NONE,
+ fb_color.red, fb_color.green,
fb_color.blue,
+ &data->fb);
+ igt_plane_set_position(plane, 100, 100);
+
+ igt_plane_set_fb(plane, &data->fb);
+ igt_display_commit2(display, commit);
+ }
+
+}
+
+static void apply_ctm(igt_display_t *display, igt_output_t *output, const
float *ctm)
+{
+ int res, i, blob_id;
+ uint64_t blob_address;
+ struct drm_ctm *ctm_data = NULL;
+ ctm_data = (struct drm_ctm *)
+ malloc(sizeof(struct drm_ctm));
+
+ for (i = 0; i < CSC_MAX_VALS; i++) {
+ ctm_data->ctm_coeff[i] = convertFloatToBinary(*(ctm + i));
+ }
+
+ blob_id = create_blob(display->drm_fd,
+ (int *)(ctm_data), sizeof(struct drm_ctm));
+ igt_fail_on_f (blob_id < 0, "CTM:BLOB IOCTL Fail\n");
+ res = set_color_property(display->drm_fd, output->config.crtc->crtc_id,
+ DRM_MODE_OBJECT_CRTC, "CTM", blob_id);
+ igt_fail_on_f (res < 0, "CTM:Set Property Failed\n");
+ res = get_color_property(display->drm_fd, output->config.crtc->crtc_id,
DRM_MODE_OBJECT_CRTC, "CTM");
+ igt_fail_on_f (res < 0, "CTM:Get Property Failed\n");
+ blob_address = get_blob(display->drm_fd, res, sizeof(struct drm_ctm));
+ ctm_data = (struct drm_ctm *) (intptr_t) blob_address;
+
+}
+
+static void test_pipe_ctm_invalid_tests(struct data_t *data, enum blob op)
+{
+
+ int res, i, length;
+ struct drm_ctm *ctm_data = NULL;
+ struct drm_mode_create_blob blob;
+ struct drm_mode_create_blob empty_blob;
+ enum pipe pipe1;
+ int ret = -1;
+ struct drm_ctm *invalid_ctm_data = NULL;
+ igt_display_t *display = &data->display;
+ igt_output_t *output;
+
+ ctm_data = (struct drm_ctm *)malloc(sizeof(struct drm_ctm));
+ for (i = 0; i < CSC_MAX_VALS; i++) {
+ ctm_data->ctm_coeff[i] = 1L;
+ }
+
+ length = sizeof(struct drm_ctm);
+ blob.data = (uint64_t)ctm_data;
+ blob.length = length;
+ blob.blob_id = -1;
+
+ if (op == INVALID_BLOB_LENGTH)
+ blob.length = 10;
+ ret = ioctl(display->drm_fd, DRM_IOCTL_MODE_CREATEPROPBLOB, &blob);
+ igt_fail_on_f (ret < 0, "GAMMA:BLOB IOCTL Fail\n");
+
+ if (op == INVALID_BLOB_ID)
+ blob.blob_id = 4096*4096;
+ if (op == INVALID_BLOB_NULL)
+ blob = empty_blob;
+ for_each_connected_output(display, output) {
+ pipe1 = output->config.pipe;
+ igt_output_set_pipe(output, pipe1);
+
+ res = set_color_property(display->drm_fd, output->config.crtc->crtc_id,
+ DRM_MODE_OBJECT_CRTC, "CTM", blob.blob_id);
+ free(ctm_data);
+ free(invalid_ctm_data);
+ igt_fail_on_f (res >= 0, "CTM:Invalid Tests Failed %d\n", res);
+ }
+
+}
+static void test_pipe_ctm_fraction(struct data_t *data, igt_display_t
*display, igt_output_t *output,
+ enum ctm_color value, int pipe1)
+{
+
+ /*Enable red planes */
+ fb_color.red = 1;
+ fb_color.green = 0;
+ fb_color.blue = 0;
+ enable_plane(data, display, output, pipe1);
+
+ /*Apply fractional ctm*/
+ apply_ctm(display, output, ctm_fraction);
+ enable_plane(data, display, output, pipe1);
+ /*Restore Identity Matrix*/
+ apply_ctm(display, output, ctm_identity);
+ enable_plane(data, display, output, pipe1);
+
+
+}
+
+static void test_pipe_ctm_negative(struct data_t *data, igt_display_t
*display, igt_output_t *output,
+ enum ctm_color value, int pipe1)
+{
+ igt_crc_t crc_black, crc_reference_black;
+
+ /*Enable black planes and capture reference crc*/
+ fb_color.red = 0;
+ fb_color.green = 0;
+ fb_color.blue = 0;
+ enable_plane(data, display, output, pipe1);
+ igt_pipe_crc_collect_crc(data->pipe_crc, &crc_reference_black);
+
+ /*Enable red planes */
+ fb_color.red = 1;
+ fb_color.green = 0;
+ fb_color.blue = 0;
+ enable_plane(data, display, output, pipe1);
+
+ /*Apply negative ctm*/
+ apply_ctm(display, output, ctm_negative);
+ enable_plane(data, display, output, pipe1);
+ igt_pipe_crc_collect_crc(data->pipe_crc, &crc_black);
+
+ /*Compare CRCS*/
+ igt_assert_crc_equal(&crc_reference_black, &crc_black);
+
+ /*Restoring Identity matrix*/
+ apply_ctm(display, output, ctm_identity);
+ enable_plane(data, display, output, pipe1);
+
+}
+
+static void test_pipe_ctm_reverse(struct data_t *data, igt_display_t *display,
igt_output_t *output,
+ enum ctm_color value, int pipe1)
+{
+ igt_crc_t crc_reference_red, crc_reference_blue;
+ igt_crc_t crc_reverse_red, crc_reverse_blue, crc_identity_red,
crc_identity_blue;
+
+ /*Enable red planes and capture reference crc*/
+ fb_color.red = 1;
+ fb_color.green = 0;
+ fb_color.blue = 0;
+ enable_plane(data, display, output, pipe1);
+ igt_pipe_crc_collect_crc(data->pipe_crc, &crc_reference_red);
+ /*Apply reverse ctm matrix on red plane*/
+ apply_ctm(display, output, ctm_reverse);
+ enable_plane(data, display, output, pipe1);
+ igt_pipe_crc_collect_crc(data->pipe_crc, &crc_reverse_red);
+
+ /*Apply identity ctm matrix on red plane*/
+ apply_ctm(display, output, ctm_identity);
+ enable_plane(data, display, output, pipe1);
+ igt_pipe_crc_collect_crc(data->pipe_crc, &crc_identity_red);
+
+ /*Enable blue planes and capture reference crc*/
+ fb_color.red = 0;
+ fb_color.green = 0;
+ fb_color.blue = 1;
+
+ enable_plane(data, display, output, pipe1);
+ igt_pipe_crc_collect_crc(data->pipe_crc, &crc_reference_blue);
+
+ /*Apply reverse ctm matrix on blue plane*/
+ apply_ctm(display, output, ctm_reverse);
+ enable_plane(data, display, output, pipe1);
+ igt_pipe_crc_collect_crc(data->pipe_crc, &crc_reverse_blue);
+
+ /*Apply identity ctm matrix on blue plane*/
+ apply_ctm(display, output, ctm_identity);
+ enable_plane(data, display, output, pipe1);
+ igt_pipe_crc_collect_crc(data->pipe_crc, &crc_identity_blue);
+
+ /*Compare crc*/
+
+ igt_assert_crc_equal(&crc_reference_red, &crc_identity_red);
+ igt_assert_crc_equal(&crc_reference_blue, &crc_identity_blue);
+ igt_assert_crc_equal(&crc_reverse_blue, &crc_identity_red);
+ igt_assert_crc_equal(&crc_reverse_red, &crc_identity_blue);
+ /*Restoring Identity Matrix*/
+ apply_ctm(display, output, ctm_identity);
+ enable_plane(data, display, output, pipe1);
+}
+
+/*
+This function verify ctm feature using both CRC check.
+Steps followed are:
+1.Enable plane for capturing reference CRC
+2.Capture Reference CRC
+3.Apply CSC on Pipe
+4.Enable Plane .CSC will be applied on this planes.
+5.Capture CRC and compare with reference CRC
+6. Register Validation for CRC
+*/
+
+static void test_pipe_ctm(struct data_t *data, igt_display_t *display,
igt_output_t *output,
+ enum ctm_color value, int pipe1)
+{
+
+ const float *ctm;
+ igt_crc_t crc_current, crc_reference, crc_reference_white;
+ fb_color.red = 1;
+ fb_color.green = 1;
+ fb_color.blue = 1;
+
+ switch (value) {
+ case RED:
+ ctm = ctm_red;
+ fb_color.red = 1;
+ fb_color.green = 0;
+ fb_color.blue = 0;
+ break;
+ case GREEN:
+ ctm = ctm_green;
+ fb_color.red = 0;
+ fb_color.green = 1;
+ fb_color.blue = 0;
+ break;
+ case BLUE:
+ ctm = ctm_blue;
+ fb_color.red = 0;
+ fb_color.green = 0;
+ fb_color.blue = 1;
+
+ break;
+ default:
+ ctm = ctm_identity;
+ break;
+ }
+
+ /*Enable planes and capture reference crc*/
+ enable_plane(data, display, output, pipe1);
+ igt_pipe_crc_collect_crc(data->pipe_crc, &crc_reference);
+
+ /*White Plane Enabling*/
+ fb_color.red = 1;
+ fb_color.green = 1;
+ fb_color.blue = 1;
+
+ enable_plane(data, display, output, pipe1);
+ igt_pipe_crc_collect_crc(data->pipe_crc, &crc_reference_white);
+
+ /*Apply CSC*/
+ apply_ctm(display, output, ctm);
+ enable_plane(data, display, output, pipe1);
+ igt_pipe_crc_collect_crc(data->pipe_crc, &crc_current);
+ igt_assert_crc_equal(&crc_reference, &crc_current);
+
+ /*Restoring the Unit CSC*/
+ apply_ctm(display, output, ctm_identity);
+ enable_plane(data, display, output, pipe1);
+ igt_pipe_crc_collect_crc(data->pipe_crc, &crc_current);
+ igt_assert_crc_equal(&crc_reference_white, &crc_current);
+}
+
+static void apply_gamma(struct data_t *data, igt_display_t *display,
igt_output_t *output, uint32_t num_samples, int unit_gamma)
+{
+ struct drm_palette *gamma_data = NULL;
+ int ret, res, blob_id, blob_length;
+
+ if (num_samples == 0)
+ blob_length = 1;
+ else
+ blob_length = (sizeof(struct drm_palette) + (num_samples *
sizeof(struct drm_r32g32b32)));
+
+ gamma_data = malloc(blob_length);
+ write_gamma_lut(num_samples, gamma_data->lut, unit_gamma);
+ blob_id = create_blob(display->drm_fd, (uint64_t *)(gamma_data),
blob_length);
+ if (blob_id < 0)
+ free(gamma_data);
+
+ igt_fail_on_f (blob_id < 0, "GAMMA:BLOB IOCTL Fail\n");
+ /*Disabling degamma*/
+ if (unit_gamma == 2) {
+ res = set_color_property(display->drm_fd,
output->config.crtc->crtc_id,
+ DRM_MODE_OBJECT_CRTC,
"PALETTE_BEFORE_CTM", blob_id);
+ ret = get_color_property(display->drm_fd,
output->config.crtc->crtc_id,
+ DRM_MODE_OBJECT_CRTC,
"PALETTE_BEFORE_CTM");
+ igt_fail_on_f (res < 0, "PALETTE_BEFORE_CTM:Set
Property Failed\n");
+ igt_fail_on_f (ret < 0, "PALETTE_BEFORE_CTM:Set
Property Failed\n");
+
+ }
+
+ if (num_samples == BDW_SPLITGAMMA_MAX_VALS) {
+ res = set_color_property(display->drm_fd,
output->config.crtc->crtc_id,
+ DRM_MODE_OBJECT_CRTC,
"PALETTE_BEFORE_CTM", blob_id);
+ ret = get_color_property(display->drm_fd,
output->config.crtc->crtc_id,
+ DRM_MODE_OBJECT_CRTC,
"PALETTE_BEFORE_CTM");
+ if (res < 0)
+ free(gamma_data);
+ igt_fail_on_f (res < 0, "PALETTE_BEFORE_CTM:Set Property
Failed\n");
+ igt_fail_on_f (ret < 0, "PALETTE_BEFORE_CTM:Set Property
Failed\n");
+ }
+ res = set_color_property(display->drm_fd, output->config.crtc->crtc_id,
+ DRM_MODE_OBJECT_CRTC, "PALETTE_AFTER_CTM",
blob_id);
+ if (res < 0) {
+ free(gamma_data);
+ }
+ igt_fail_on_f (res < 0, "PALETTE_AFTER_CTM:Set Property Failed\n");
+
+ ret = get_color_property(display->drm_fd, output->config.crtc->crtc_id,
+ DRM_MODE_OBJECT_CRTC, "PALETTE_AFTER_CTM");
+ if (ret < 0) {
+ free(gamma_data);
+ }
+ igt_fail_on_f (ret < 0, "PALETTE_BEFORE_CTM:Set Property Failed\n");
+
+ free(gamma_data);
+
+
+}
+
+static void test_pipe_gamma_invalid_tests(struct data_t *data, uint32_t
num_samples, enum blob op)
+{
+ int res, blob_length;
+ struct drm_palette *gamma_data = NULL;
+ struct drm_mode_create_blob blob;
+ struct drm_mode_create_blob empty_blob;
+ enum pipe pipe1;
+ int ret = -1;
+
+ igt_display_t *display = &data->display;
+ igt_output_t *output;
+ if (num_samples == 0)
+ blob_length = 1;
+ else
+ blob_length = (sizeof(struct drm_palette) + (num_samples *
sizeof(struct drm_r32g32b32)));
+
+ gamma_data = malloc(blob_length);
+ if (op == INVALID_BLOB_DATA)
+ write_gamma_lut(0, gamma_data->lut, 1);
+ else
+ write_gamma_lut(num_samples, gamma_data->lut, 1);
+ blob.data = (uint64_t)gamma_data;
+ blob.length = blob_length;
+ blob.blob_id = -1;
+
+ if (op == INVALID_BLOB_LENGTH)
+ blob.length = 10;
+
+ ret = ioctl(display->drm_fd, DRM_IOCTL_MODE_CREATEPROPBLOB, &blob);
+ igt_fail_on_f (ret < 0, "GAMMA:BLOB IOCTL Fail\n");
+
+ if (op == INVALID_BLOB_ID)
+ blob.blob_id = 4096*4096;
+ if (op == INVALID_BLOB_NULL)
+ blob = empty_blob;
+ for_each_connected_output(display, output) {
+ pipe1 = output->config.pipe;
+ igt_output_set_pipe(output, pipe1);
+
+ res = set_color_property(display->drm_fd, output->config.crtc->crtc_id,
+ DRM_MODE_OBJECT_CRTC, "PALETTE_AFTER_CTM",
blob.blob_id);
+ free(gamma_data);
+ if (op == INVALID_BLOB_DATA)
+ igt_fail_on_f (res < 0, "GAMMA:Invalid Data Tests Failed %d\n",
res);
+ else
+ igt_fail_on_f (res >= 0, "GAMMA:Invalid Tests Failed %d\n",
res);
+ apply_gamma(data, display, output, 0, 1);
+ }
+}
+
+static void test_pipe_degamma_invalid_tests(struct data_t *data, uint32_t
num_samples, enum blob op)
+{
+
+ int res, blob_length;
+ struct drm_palette *degamma_data = NULL;
+ struct drm_mode_create_blob blob;
+ struct drm_mode_create_blob empty_blob;
+ enum pipe pipe1;
+ int ret = -1;
+
+ igt_display_t *display = &data->display;
+ igt_output_t *output;
+
+ if (num_samples == 0)
+ blob_length = 1;
+ else
+ blob_length = (sizeof(struct drm_palette) + (num_samples *
sizeof(struct drm_r32g32b32)));
+ degamma_data = malloc(blob_length);
+ if (op == INVALID_BLOB_DATA)
+ write_gamma_lut(0, degamma_data->lut, 1);
+ else
+ write_gamma_lut(num_samples, degamma_data->lut, 1);
+
+ blob.data = (uint64_t)degamma_data;
+ blob.length = blob_length;
+ blob.blob_id = -1;
+
+ if (op == INVALID_BLOB_LENGTH)
+ blob.length = 10;
+
+ ret = ioctl(display->drm_fd, DRM_IOCTL_MODE_CREATEPROPBLOB, &blob);
+ igt_fail_on_f (ret < 0, "GAMMA:BLOB IOCTL Fail\n");
+
+ if (op == INVALID_BLOB_ID)
+ blob.blob_id = 4096*4096;
+ if (op == INVALID_BLOB_NULL)
+ blob = empty_blob;
+ for_each_connected_output(display, output) {
+ pipe1 = output->config.pipe;
+ igt_output_set_pipe(output, pipe1);
+
+ res = set_color_property(display->drm_fd, output->config.crtc->crtc_id,
+ DRM_MODE_OBJECT_CRTC, "PALETTE_BEFORE_CTM",
blob.blob_id);
+ free(degamma_data);
+ if (op == INVALID_BLOB_DATA)
+ igt_fail_on_f (res < 0, "DEGAMMA:Invalid Data Tests Failed
%d\n", res);
+ else
+ igt_fail_on_f (res >= 0, "DEGAMMA:Invalid Tests Failed %d\n",
res);
+ apply_gamma(data, display, output, 0, 1);
+ }
+
+
+}
+/*
+This function verify ctm feature using both CRC check.
+Steps followed are:
+ 1.Enable Black plane and capture CRC_REFERENCE_BLACK.
+ 2.Enable White plane and capture CRS_REFERENCE_WHITE
+ 3.Enable Red plane.
+ 4.Apply LOW Gamma.
+ 5.Capture CRC_Black.
+ 6.Apply High Gamma and capture CRC_White.
+ 7.CRC_Black should be equivalent to CRC_REFERENCE_BLACK
+ 8.CRC_White should be equivalent to CRC_REFERENCE_WHite.
+
+
+*/
+static void test_pipe_gamma(struct data_t *data, igt_display_t *display,
igt_output_t *output,
+ uint32_t num_samples, int values, int pipe1)
+{
+ int unit_gamma, disable_gamma;
+ igt_crc_t crc_black, crc_white, crc_reference_white,
crc_reference_black;
+
+ /*Enable black planes and capture reference crc*/
+
+ fb_color.red = 0;
+ fb_color.green = 0;
+ fb_color.blue = 0;
+ enable_plane(data, display, output, pipe1);
+ igt_pipe_crc_collect_crc(data->pipe_crc, &crc_reference_black);
+ /*Enable white plane and capture refernce crc*/
+ fb_color.red = 1;
+ fb_color.green = 1;
+ fb_color.blue = 1;
+ enable_plane(data, display, output, pipe1);
+ igt_pipe_crc_collect_crc(data->pipe_crc, &crc_reference_white);
+
+ /*Enable red planes and apply unit gamma*/
+ fb_color.red = 1;
+ fb_color.green = 0;
+ fb_color.blue = 0;
+ unit_gamma = 0; /*0 -> white 1->black*/
+ apply_gamma(data, display, output, num_samples, unit_gamma);
+ enable_plane(data, display, output, pipe1);
+ igt_pipe_crc_collect_crc(data->pipe_crc, &crc_white);
+
+ /* Apply 0x0 gamma */
+ unit_gamma = 1;
+
+ apply_gamma(data, display, output, num_samples, unit_gamma);
+ enable_plane(data, display, output, pipe1);
+ igt_pipe_crc_collect_crc(data->pipe_crc, &crc_black);
+ igt_assert_crc_equal(&crc_reference_black, &crc_black);
+ igt_assert_crc_equal(&crc_reference_white, &crc_white);
+
+ /*Disabling gamma*/
+ if (num_samples == BDW_SPLITGAMMA_MAX_VALS) {
+ disable_gamma = 2;
+ apply_gamma(data, display, output, 0, disable_gamma);
+ } else {
+ apply_gamma(data, display, output, 0, unit_gamma);
+ }
+
+}
+
+static void test_legacy_gamma (struct data_t *data, igt_display_t *display,
igt_output_t *output, int pipe1)
+{
+ int ret, i;
+ uint16_t *val = malloc(sizeof(uint16_t) * 256);
+ float gamma1 = 1.0;
+ fb_color.red = 1;
+ fb_color.green = 1;
+ fb_color.blue = 1;
+ enable_plane(data, display, output, pipe1);
+ for (i = 0; i < 256 ; i++) {
+ val[i] = 0xffff * pow((i/255), gamma1);
+
+ }
+ for_each_connected_output (display, output) {
+ ret = drmModeCrtcSetGamma (display->drm_fd,
output->config.crtc->crtc_id, 256, val, val, val);
+ igt_assert_lte(0, ret);
+
+ }
+}
+
+static void test_pipe_color(struct data_t *data, enum color_property
prop_name, int value)
+{
+ igt_display_t *display = &data->display;
+ igt_output_t *output;
+ igt_plane_t *plane;
+ enum pipe pipe1;
+ int res;
+
+ for_each_connected_output(display, output) {
+ pipe1 = output->config.pipe;
+ igt_output_set_pipe(output, pipe1);
+ res = get_color_property(display->drm_fd,
output->config.crtc->crtc_id, DRM_MODE_OBJECT_CRTC, "CTM");
+ igt_fail_on_f (res < 0, "Color Capabilities not found\n");
+ res = get_color_property(display->drm_fd,
output->config.crtc->crtc_id, DRM_MODE_OBJECT_CRTC, "PALETTE_BEFORE_CTM");
+ igt_fail_on_f (res < 0, "Color Capabilities not found\n");
+ res = get_color_property(display->drm_fd,
output->config.crtc->crtc_id, DRM_MODE_OBJECT_CRTC, "PALETTE_AFTER_CTM");
+ igt_fail_on_f (res < 0, "Color Capabilities not found\n");
+
+ switch (prop_name) {
+ case gamma_property_8bit:
+ test_pipe_gamma(data, display, output,
+ BDW_8BIT_GAMMA_MAX_VALS, value, pipe1);
+ break;
+ case legacy_gamma:
+ test_legacy_gamma(data, display, output, pipe1);
+ break;
+ case gamma_property_10bit:
+ test_pipe_gamma(data, display, output,
BDW_10BIT_GAMMA_MAX_VALS, value, pipe1);
+ break;
+ case ctm_property:
+ switch (value) {
+ case REVERSE:
+ test_pipe_ctm_reverse(data, display, output,
value, pipe1);
+ break;
+ case NEGATIVE:
+ test_pipe_ctm_negative(data, display, output,
value, pipe1);
+ break;
+ case FRACTION:
+ test_pipe_ctm_fraction(data, display, output,
value, pipe1);
+ break;
+ default:
+ test_pipe_ctm(data, display, output, value,
pipe1);
+ break;
+ }
+ break;
+ case gamma_property_split:
+ test_pipe_gamma(data, display, output,
+ BDW_SPLITGAMMA_MAX_VALS, value, pipe1);
+ break;
+ case gamma_property_12bit:
+ test_pipe_gamma(data, display, output,
+ BDW_12BIT_GAMMA_MAX_VALS, value, pipe1);
+ break;
+ default:
+ igt_info("Invalid Test\n");
+ break;
+ }
+ cleanup_fb(data);
+ plane = igt_output_get_plane(output, IGT_PLANE_2);
+ cleanup_crtc(data, output, plane);
+ }
+}
+
+
+igt_main
+{
+ struct data_t data = {};
+ int values = 1;
+ igt_skip_on_simulation();
+ igt_fixture{
+ data.drm_fd = drm_open_driver_master(DRIVER_INTEL);
+ kmstest_set_vt_graphics_mode();
+ igt_display_init(&data.display, data.drm_fd);
+ igt_require_pipe_crc();
+ }
+
+ igt_subtest("ctm-red")
+ test_pipe_color(&data, ctm_property, RED);
+ igt_subtest("ctm-green")
+ test_pipe_color(&data, ctm_property, GREEN);
+ igt_subtest("ctm-blue")
+ test_pipe_color(&data, ctm_property, BLUE);
+ igt_subtest("ctm-reverse")
+ test_pipe_color(&data, ctm_property, REVERSE);
+ igt_subtest("ctm-negative")
+ test_pipe_color(&data, ctm_property, NEGATIVE);
+ igt_subtest("ctm-fraction")
+ test_pipe_color(&data, ctm_property, FRACTION);
+ igt_subtest("ctm-invalid-blob-id")
+ test_pipe_ctm_invalid_tests(&data, INVALID_BLOB_ID);
+ igt_subtest("ctm-invalid-blob-null")
+ test_pipe_ctm_invalid_tests(&data, INVALID_BLOB_NULL);
+ igt_subtest("ctm-invalid-blob-length")
+ test_pipe_ctm_invalid_tests(&data, INVALID_BLOB_LENGTH);
+ igt_subtest("ctm-invalid-blob-data")
+ test_pipe_ctm_invalid_tests(&data, INVALID_BLOB_DATA);
+ igt_subtest("gamma-legacy")
+ test_pipe_color(&data, legacy_gamma, values);
+ igt_subtest("gamma-8bit")
+ test_pipe_color(&data, gamma_property_8bit, values);
+ igt_subtest("gamma-10bit")
+ test_pipe_color(&data, gamma_property_10bit, values);
+ igt_subtest("gamma-12bit")
+ test_pipe_color(&data, gamma_property_12bit, values);
+ igt_subtest("gamma-split")
+ test_pipe_color(&data, gamma_property_split, values);
+ igt_subtest("gamma-invalid-blob-id")
+ test_pipe_gamma_invalid_tests(&data, BDW_12BIT_GAMMA_MAX_VALS,
INVALID_BLOB_ID);
+ igt_subtest("gamma-invalid-blob-null")
+ test_pipe_gamma_invalid_tests(&data, BDW_12BIT_GAMMA_MAX_VALS,
INVALID_BLOB_NULL);
+ igt_subtest("gamma-invalid-blob-length")
+ test_pipe_gamma_invalid_tests(&data, BDW_12BIT_GAMMA_MAX_VALS,
INVALID_BLOB_LENGTH);
+ igt_subtest("gamma-8bit-invalid-blob-data")
+ test_pipe_gamma_invalid_tests(&data, BDW_8BIT_GAMMA_MAX_VALS,
INVALID_BLOB_DATA);
+ igt_subtest("gamma-10bit-invalid-blob-data")
+ test_pipe_gamma_invalid_tests(&data, BDW_10BIT_GAMMA_MAX_VALS,
INVALID_BLOB_DATA);
+ igt_subtest("gamma-12bit-invalid-blob-data")
+ test_pipe_gamma_invalid_tests(&data, BDW_12BIT_GAMMA_MAX_VALS,
INVALID_BLOB_DATA);
+ igt_subtest("degamma-invalid-blob-id")
+ test_pipe_degamma_invalid_tests(&data,
BDW_12BIT_GAMMA_MAX_VALS, INVALID_BLOB_ID);
+ igt_subtest("degamma-invalid-blob-null")
+ test_pipe_degamma_invalid_tests(&data,
BDW_12BIT_GAMMA_MAX_VALS, INVALID_BLOB_NULL);
+ igt_subtest("degamma-invalid-blob-length")
+ test_pipe_degamma_invalid_tests(&data,
BDW_12BIT_GAMMA_MAX_VALS, INVALID_BLOB_LENGTH);
+ igt_subtest("degamma-8bit-invalid-blob-data")
+ test_pipe_degamma_invalid_tests(&data, BDW_8BIT_GAMMA_MAX_VALS,
INVALID_BLOB_DATA);
+ igt_subtest("degamma-10bit-invalid-blob-data")
+ test_pipe_degamma_invalid_tests(&data,
BDW_10BIT_GAMMA_MAX_VALS, INVALID_BLOB_DATA);
+ igt_subtest("degamma-12bit-invalid-blob-data")
+ test_pipe_degamma_invalid_tests(&data,
BDW_12BIT_GAMMA_MAX_VALS, INVALID_BLOB_DATA);
+
+ igt_fixture{
+ igt_display_fini(&data.display);
+ }
+}
+
--
1.9.1
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