From: dhanyapr <dhanya.p.r@xxxxxxxxx>
This patch will verify color correction capability of a display driver.
Currently Pipe level CSC and Pipe level Gamma are supported.
Signed-off-by: dhanyapr <dhanya.p.r@xxxxxxxxx>
---
tests/Makefile.sources | 1 +
tests/kms_color.c | 508 ++++++++++++++++++++++++++++++++++++++++++++++++
2 files changed, 509 insertions(+)
create mode 100644 tests/kms_color.c
diff --git a/tests/Makefile.sources b/tests/Makefile.sources
index 994c31b..6211898 100644
--- a/tests/Makefile.sources
+++ b/tests/Makefile.sources
@@ -80,6 +80,7 @@ TESTS_progs_M = \
kms_crtc_background_color \
kms_plane_scaling \
kms_panel_fitting \
+ kms_color \
pm_lpsp \
pm_rpm \
pm_rps \
diff --git a/tests/kms_color.c b/tests/kms_color.c
new file mode 100644
index 0000000..df4ac06
--- /dev/null
+++ b/tests/kms_color.c
@@ -0,0 +1,508 @@
+/*
+ * Copyeight © 2013,2014 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 <math.h>
+#include "drmtest.h"
+#include "igt_debugfs.h"
+#include "igt_kms.h"
+#include "igt_core.h"
+#include "intel_chipset.h"
+#include "igt_aux.h"
+#include<unistd.h>
+#include<stdlib.h>
+IGT_TEST_DESCRIPTION("Test Gamma at Plane/Pipe level");
+
+
+#define CHV_CSC_VALS 9
+#define DRM_IOCTL_MODE_CREATEPROPBLOB DRM_IOWR(0xBD, struct drm_mode_create_blob)
+#define I915_PIPE_CSC (1<<0)
+#define I915_PLANE_CSC (1<<1)
+#define I915_CSC_COEFF_FORMAT_UNKNOWN 0
+#define I915_CSC_COEFF_FORMAT_CURRENT 0xFFFFFFFF
+#define I915_CSC_COEFF_FORMAT_S1_30 (1<<0)
+#define I915_CSC_COEFF_FORMAT_S2_29 (1<<1)
+
+#define CSC_MANTISSA_MAX_BITS 1
+#define CSC_MANTISSA_MAX_VALUE ((1 << CSC_MANTISSA_MAX_BITS) - 1)
+#define CSC_FRACTION_MAX_BITS 10
+#define GAMMA_RED_SHIFT 16
+#define GAMMA_GREEN_SHIFT 8
+#define STANDARD_GAMMA 2.2
+#define I915_GAMMA_FLAG_DEGAMMA (1<<0)
+#define I915_PIPE_GAMMA (1<<0)
+#define I915_PLANE_GAMMA (1<<1)
+#define I915_GAMMA_PRECISION_UNKNOWN 0
+#define I915_GAMMA_PRECISION_CURRENT 0xFFFFFFFF
+#define I915_GAMMA_PRECISION_LEGACY (1<<0)
+#define I915_GAMMA_PRECISION_10BIT (1<<1)
+#define I915_GAMMA_PRECISION_12BIT (1<<2)
+#define I915_GAMMA_PRECISION_14BIT (1<<3)
+#define I915_GAMMA_PRECISION_16BIT (1<<4)
+#define CHV_DEGAMMA_MAX_INDEX 64
+#define CHV_DEGAMMA_VALS 65
+#define CHV_8BIT_GAMMA_MAX_INDEX 256
+#define CHV_8BIT_GAMMA_MAX_VALS CHV_8BIT_GAMMA_MAX_INDEX
+#define CHV_10BIT_GAMMA_MAX_INDEX 256
+#define CHV_10BIT_GAMMA_MAX_VALS (CHV_10BIT_GAMMA_MAX_INDEX + 1)
+
+#define CHV_SPRITE_GAMMA_MAX_VALS 6
+#define DEFAULT 0
+#define RANDOM 1
+#define DRM_IOCTL_MODE_CREATEPROPBLOB DRM_IOWR(0xBD, struct drm_mode_create_blob)
+
+struct drm_intel_csc{
+ uint32_t csc_level;
+ uint32_t csc_format;
+ uint32_t reserved;
+ uint64_t csc_matrix[9];
+
+};
+
+
+
+typedef struct{
+ int32_t brightness;
+ int32_t contrast;
+ float gamma;
+} CURVE_SLIDER_VALUES;
+
+typedef struct r16g16b16_pixel {
+ uint16_t red;
+ uint16_t green;
+ uint16_t blue;
+} rgb_pixel;
+
+struct drm_intel_gamma{
+ uint32_t flags;
+ uint32_t gamma_level;
+ uint32_t gamma_precision;
+ uint32_t num_samples;
+ uint32_t reserved;
+ rgb_pixel gamma_values[257];
+};
+
+static struct drm_mode_create_blob {
+ uint64_t data;
+ uint32_t length;
+ uint32_t blob_id;
+};
+
+
+typedef struct {
+ int fb_initial;
+ int drm_fd;
+ int w, h;
+ igt_display_t display;
+ struct igt_fb fb_prep;
+ struct igt_fb fb, fb1;
+} data_t;
+
+ static void
+paint_color(data_t *d, struct igt_fb *fb, uint16_t w, uint16_t h)
+{
+ cairo_t *cr;
+ cr = igt_get_cairo_ctx(d->drm_fd, fb);
+ igt_paint_test_pattern(cr, w, h);
+ cairo_destroy(cr);
+}
+
+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;
+ printf("Blob creation ioctl failed");
+ return ret;
+}
+
+static void prepare_crtc(data_t *data, igt_output_t *output, enum pipe pipe,
+ igt_plane_t *plane, drmModeModeInfo *mode, enum igt_commit_style s)
+{
+ igt_display_t *display = &data->display;
+
+ igt_output_set_pipe(output, pipe);
+
+
+ /* 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 */
+ 0, 0, 1.0,
+ &data->fb_prep);
+ igt_assert(data->fb_initial);
+
+ igt_plane_set_fb(plane, &data->fb_prep);
+ if (s == COMMIT_LEGACY) {
+ int ret;
+ ret = drmModeSetCrtc(data->drm_fd,
+ output->config.crtc->crtc_id,
+ data->fb_initial,
+ plane->pan_x, plane->pan_y,
+ &output->id,
+ 1,
+ mode);
+ igt_assert(ret == 0);
+ } else {
+ igt_display_commit2(display, s);
+ }
+}
+
+static void cleanup_crtc(data_t *data, igt_output_t *output, igt_plane_t *plane)
+{
+ igt_display_t *display = &data->display;
+
+ 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);
+ if (data->fb1.fb_id)
+ igt_remove_fb(data->drm_fd, &data->fb1);
+
+ 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_LEGACY);
+}
+
+int convertToBinarySigned(float value)
+{
+ int mantissa = 0;
+ int fraction = 0;
+ int sign = 0;
+ int loop;
+ float ftmp;
+ int ret = 0;
+ if (value < 0) {
+ sign = 1;
+ value *= (-1);
+ }
+ mantissa = (int) value / 1;
+ mantissa &= CSC_MANTISSA_MAX_VALUE;
+ ftmp = value - mantissa;
+ for (loop = 0; loop < CSC_FRACTION_MAX_BITS; loop++) {
+ ftmp = ftmp * 2;
+ if (ftmp >= 1) {
+ fraction |= 0x1;
+ ftmp -= 1.0;
+ }
+ if (loop == (CSC_FRACTION_MAX_BITS - 1)) {
+ break;
+ } else {
+ fraction <<= 1;
+ }
+ }
+ fraction &= 0x3FF;
+ ret = (fraction | (mantissa << CSC_FRACTION_MAX_BITS));
+ if (sign) {
+ ret = (~ret) + 1;
+ }
+ ret |= (sign << 11);
+ ret &= 0xFFF;
+ return ret;
+}
+void cscWrite(float *csc_val, uint64_t *csc_matrix)
+{
+ for (int i = 0; i < CHV_CSC_VALS; i++) {
+ csc_matrix[i] = (uint64_t)convertToBinarySigned(csc_val[i]);
+ }
+}
+
+void generateCurveFromSlider(CURVE_SLIDER_VALUES *pSlider, uint16_t *pCurve, uint32_t num_samples)
+{
+ double dGamma = (double)pSlider->gamma;
+ double dBrightness = (double)pSlider->brightness * 256;;
+ double dContrast = (double)pSlider->contrast;
+ double dSlope, dOutput, outVal;
+ uint32_t input, index, i;
+ int maxVal = 65535;
+ for (i = 0; i < num_samples*2; i++) {
+ outVal = (double)(255 * pow(((double)i / 255.0), (STANDARD_GAMMA / dGamma)));
+ outVal += 0.5;
+ if (maxVal < outVal) {
+ outVal = maxVal;
+ }
+ pCurve[i] = outVal;
+ }
+ dSlope = 1.0 + dContrast / 100.0;
+ for (input = 0; input < num_samples*2; input++) {
+ dOutput = dSlope * pCurve[input];
+ dOutput += dBrightness + 0.5;
+ if (dOutput > maxVal)
+ dOutput = maxVal;
+ if (dOutput < 0)
+ dOutput = 0;
+ pCurve[input] = dOutput;
+ }
+}
+void writeCurveCsv(uint16_t *pCurveData, uint32_t num_samples, rgb_pixel *gamma_ptr)
+{
+ uint16_t *pRed, *pGreen, *pBlue;
+ uint64_t i, index;
+
+ pRed = pCurveData;
+ pGreen = pCurveData;
+ pBlue = pCurveData;
+ for (i = 0; i < num_samples; i++) {
+ index = i * 2;
+ gamma_ptr[i].red = pRed[index];
+ gamma_ptr[i].green = pGreen[index];
+ gamma_ptr[i].blue = pBlue[index];
+ }
+}
+
+void gammaPipe(int brightness, int contrast, float gamma, uint32_t num_samples, rgb_pixel *gamma_ptr)
+{
+ CURVE_SLIDER_VALUES sSlideData;
+ uint16_t pCurve[2*num_samples];
+
+ sSlideData.brightness = brightness;
+ sSlideData.contrast = contrast;
+ sSlideData.gamma = gamma;
+ generateCurveFromSlider(&sSlideData, pCurve, num_samples);
+ writeCurveCsv(pCurve, num_samples, gamma_ptr);
+}
+
+int set_color_property(int drm_fd, int id, int object, char *prop_name, int blob_id)
+{
+ int i = 0, res;
+
+ drmModeObjectPropertiesPtr props = NULL;
+
+ if (id < 0 || ((object != DRM_MODE_OBJECT_CRTC) && (object != DRM_MODE_OBJECT_PLANE))) {
+ printf("Invalid input to set color property (%d and %d)", id, object);
+ return -1;
+ }
+
+ props = drmModeObjectGetProperties(drm_fd, id, object);
+ if (!props) {
+ return -1;
+ }
+ for (i = 0; i < props->count_props; i++) {
+ drmModePropertyPtr prop = drmModeGetProperty(drm_fd, props->props[i]);
+ if (strcmp(prop->name, prop_name) == 0) {
+ /* Found property, now set the values */
+ res = drmModeObjectSetProperty(drm_fd, id, object, (uint32_t)prop->prop_id, blob_id);
+ if (res) {
+ drmModeFreeProperty(prop);
+ drmModeFreeObjectProperties(props);
+ return res;
+ } else {
+ drmModeFreeProperty(prop);
+ break;
+ }
+ }
+
+ drmModeFreeProperty(prop);
+ }
+ drmModeFreeObjectProperties(props);
+ if (i == props->count_props) {
+ /* Property not found */
+ printf("\nset_property \"%s\" No such property\n", prop_name);
+ return -1;
+ }
+ return 0;
+}
+void test_pipe_csc(igt_display_t *display, igt_output_t *output, igt_plane_t *plane, uint32_t csc_format, int value)
+{
+ struct drm_intel_csc *csc_data = NULL;
+ csc_data = (struct drm_intel_csc *) malloc(sizeof(struct drm_intel_csc));
+ csc_data->csc_level = I915_PIPE_CSC;
+ csc_data->csc_format = csc_format;
+ int64_t csc_matrix[CHV_CSC_VALS];
+ float csc_val[CHV_CSC_VALS];
+ float csc_random[CHV_CSC_VALS] = {1, 0, 0, 0, 1, 0, 0, 0, 1};
+ float csc_default[CHV_CSC_VALS] = {1, 0, 1, 0, 1, 0, 1, 0, 1};
+ int i, res;
+ if (value == DEFAULT)
+ memcpy(csc_val, csc_default, sizeof(csc_val));
+ else
+ memcpy(csc_val, csc_random, sizeof(csc_val));
+
+ cscWrite(csc_val, csc_matrix);
+
+ for (i = 0; i < CHV_CSC_VALS; i++) {
+ csc_data->csc_matrix[i] = csc_matrix[i];
+ }
+
+
+ int blob_id = create_blob(display->drm_fd, (uint64_t *)(csc_data), sizeof(struct drm_intel_csc));
+
+ igt_assert(blob_id > 0);
+
+ res = set_color_property(display->drm_fd, output->config.crtc->crtc_id, DRM_MODE_OBJECT_CRTC, "csc_property", blob_id);
+ if (res < 0) {
+ printf("Setting CSC failed!");
+ }
+ free(csc_data);
+
+
+}
+
+void test_pipe_gamma(igt_display_t *display, igt_output_t *output, igt_plane_t *plane, float gamma, int brightness, int contrast, uint32_t gamma_precision, uint32_t num_samples)
+{
+ struct drm_intel_gamma *gamma_data = NULL;
+ int res;
+ gamma_data = malloc(sizeof(struct drm_intel_gamma) + (num_samples * sizeof(rgb_pixel)));
+ gamma_data->flags = 0;
+ gamma_data->gamma_level = I915_PIPE_GAMMA;
+ gamma_data->gamma_precision = gamma_precision;
+ gamma_data->num_samples = num_samples;
+ rgb_pixel gamma_ptr[num_samples];
+ gammaPipe(brightness, contrast, gamma, num_samples, gamma_ptr);
+ for (int i = 0; i < num_samples; i++) {
+ gamma_data->gamma_values[i] = gamma_ptr[i];
+ }
+
+
+ int blob_id = create_blob(display->drm_fd, (uint64_t *)(gamma_data), sizeof(struct drm_intel_gamma) + (num_samples * sizeof(rgb_pixel)));
+ igt_assert(blob_id > 0);
+ res = set_color_property(display->drm_fd, output->config.crtc->crtc_id, DRM_MODE_OBJECT_CRTC, "gamma_property", blob_id);
+ if (res < 0) {
+ printf("Setting Gamma failed!");
+ }
+ free(gamma_data);
+}
+void test_pipe_color(data_t *data, char *prop_name, int value)
+{
+ igt_display_t *display = &data->display;
+ igt_output_t *output;
+ igt_plane_t *plane;
+ enum pipe pipe;
+ enum igt_commit_style commit = COMMIT_LEGACY;
+ int res, i;
+ int fb_id, fb_id1;
+ int width, height;
+ uint32_t pixelformat = DRM_FORMAT_XRGB8888;
+ for_each_connected_output(display, output) {
+ drmModeModeInfo *mode;
+ pipe = output->config.pipe;
+ igt_output_set_pipe(output, pipe);
+ mode = igt_output_get_mode(output);
+ /*Draw the initial primary plane*/
+ plane = igt_output_get_plane(output, IGT_PLANE_PRIMARY);
+
+ prepare_crtc(data, output, pipe, plane, mode, commit);
+ plane = igt_output_get_plane(output, IGT_PLANE_2);
+ fb_id = igt_create_color_fb(data->drm_fd,
+ width, height,
+ pixelformat,
+ LOCAL_DRM_FORMAT_MOD_NONE,
+ 1.0,
+ 0.0,
+ 0.0,
+ &data->fb);
+ igt_assert(fb_id);
+ plane->crtc_x = 0;
+ plane->crtc_y = 0;
+ plane->fb_changed = true;
+ igt_plane_set_fb(plane, &data->fb);
+ /* set the width and height for sprite plane 2. */
+ width = 200;
+ height = 200;
+ plane = igt_output_get_plane(output, IGT_PLANE_3);
+ fb_id = igt_create_color_fb(data->drm_fd,
+ width, height,
+ pixelformat,
+ LOCAL_DRM_FORMAT_MOD_NONE,
+ 0.0,
+ 0.0,
+ 1.0,
+ &data->fb1);
+ igt_assert(fb_id);
+
+ plane->crtc_x = 30;
+ plane->crtc_y = 30;
+ plane->fb_changed = true;
+ igt_plane_set_fb(plane, &data->fb1);
+
+ igt_display_commit2(display, commit);
+ usleep(2000000);
+ if ((strcmp(prop_name, "gamma_property") == 0) && value == DEFAULT) {
+ test_pipe_gamma(display, output, plane, 1, 50, 50, I915_GAMMA_PRECISION_LEGACY, CHV_8BIT_GAMMA_MAX_VALS);
+ } else if ((strcmp(prop_name, "gamma_property") == 0) && value == RANDOM) {
+ test_pipe_gamma(display, output, plane, 1.5, 10, 20, I915_GAMMA_PRECISION_LEGACY, CHV_8BIT_GAMMA_MAX_VALS);
+ } else if ((strcmp(prop_name, "csc_property") == 0)) {
+ test_pipe_csc(display, output, plane, I915_CSC_COEFF_FORMAT_S2_29, value);
+ } else {
+ printf("Invalid Test\n");
+ }
+ plane = igt_output_get_plane(output, IGT_PLANE_3);
+ cleanup_crtc(data, output, plane);
+ plane = igt_output_get_plane(output, IGT_PLANE_2);
+ cleanup_crtc(data, output, plane);
+
+ }
+}
+
+igt_main
+{
+ data_t data = {};
+ int gen = 0;
+ int plane_it = 0, it_rotation = 0, it_tiling = 0;
+ igt_skip_on_simulation();
+
+ igt_fixture{
+ data.drm_fd = drm_open_any_master();
+
+ kmstest_set_vt_graphics_mode();
+
+ igt_display_init(&data.display, data.drm_fd);
+ }
+ igt_subtest_f("Enable_Gamma") {
+ test_pipe_color(&data, "gamma_property", RANDOM);
+ }
+ igt_subtest_f("Enable_Default_Gamma") {
+ test_pipe_color(&data, "gamma_property", DEFAULT);
+ }
+ igt_subtest_f("Enable_CSC") {
+ test_pipe_color(&data, "csc_property", RANDOM);
+ }
+ igt_subtest_f("Enable_Default_CSC") {
+ test_pipe_color(&data, "csc_property", DEFAULT);
+ }
+ igt_fixture{
+ igt_display_fini(&data.display);
+ }
+}
+
--
1.7.9.5
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