diff options
Diffstat (limited to 'drivers/gpu/drm/selftests')
| -rw-r--r-- | drivers/gpu/drm/selftests/Makefile | 3 | ||||
| -rw-r--r-- | drivers/gpu/drm/selftests/drm_cmdline_selftests.h | 12 | ||||
| -rw-r--r-- | drivers/gpu/drm/selftests/drm_modeset_selftests.h | 6 | ||||
| -rw-r--r-- | drivers/gpu/drm/selftests/test-drm_cmdline_parser.c | 252 | ||||
| -rw-r--r-- | drivers/gpu/drm/selftests/test-drm_dp_mst_helper.c | 242 | ||||
| -rw-r--r-- | drivers/gpu/drm/selftests/test-drm_framebuffer.c | 9 | ||||
| -rw-r--r-- | drivers/gpu/drm/selftests/test-drm_mm.c | 14 | ||||
| -rw-r--r-- | drivers/gpu/drm/selftests/test-drm_modeset_common.h | 9 | ||||
| -rw-r--r-- | drivers/gpu/drm/selftests/test-drm_rect.c | 223 |
9 files changed, 760 insertions, 10 deletions
diff --git a/drivers/gpu/drm/selftests/Makefile b/drivers/gpu/drm/selftests/Makefile index aae88f8a016c..0856e4b12f70 100644 --- a/drivers/gpu/drm/selftests/Makefile +++ b/drivers/gpu/drm/selftests/Makefile @@ -1,6 +1,7 @@ # SPDX-License-Identifier: GPL-2.0-only test-drm_modeset-y := test-drm_modeset_common.o test-drm_plane_helper.o \ test-drm_format.o test-drm_framebuffer.o \ - test-drm_damage_helper.o + test-drm_damage_helper.o test-drm_dp_mst_helper.o \ + test-drm_rect.o obj-$(CONFIG_DRM_DEBUG_SELFTEST) += test-drm_mm.o test-drm_modeset.o test-drm_cmdline_parser.o diff --git a/drivers/gpu/drm/selftests/drm_cmdline_selftests.h b/drivers/gpu/drm/selftests/drm_cmdline_selftests.h index b45824ec7c8f..ceac7af9a172 100644 --- a/drivers/gpu/drm/selftests/drm_cmdline_selftests.h +++ b/drivers/gpu/drm/selftests/drm_cmdline_selftests.h @@ -9,6 +9,13 @@ #define cmdline_test(test) selftest(test, test) +cmdline_test(drm_cmdline_test_force_d_only) +cmdline_test(drm_cmdline_test_force_D_only_dvi) +cmdline_test(drm_cmdline_test_force_D_only_hdmi) +cmdline_test(drm_cmdline_test_force_D_only_not_digital) +cmdline_test(drm_cmdline_test_force_e_only) +cmdline_test(drm_cmdline_test_margin_only) +cmdline_test(drm_cmdline_test_interlace_only) cmdline_test(drm_cmdline_test_res) cmdline_test(drm_cmdline_test_res_missing_x) cmdline_test(drm_cmdline_test_res_missing_y) @@ -53,3 +60,8 @@ cmdline_test(drm_cmdline_test_vmirror) cmdline_test(drm_cmdline_test_margin_options) cmdline_test(drm_cmdline_test_multiple_options) cmdline_test(drm_cmdline_test_invalid_option) +cmdline_test(drm_cmdline_test_bpp_extra_and_option) +cmdline_test(drm_cmdline_test_extra_and_option) +cmdline_test(drm_cmdline_test_freestanding_options) +cmdline_test(drm_cmdline_test_freestanding_force_e_and_options) +cmdline_test(drm_cmdline_test_panel_orientation) diff --git a/drivers/gpu/drm/selftests/drm_modeset_selftests.h b/drivers/gpu/drm/selftests/drm_modeset_selftests.h index 464753746013..782e285ca383 100644 --- a/drivers/gpu/drm/selftests/drm_modeset_selftests.h +++ b/drivers/gpu/drm/selftests/drm_modeset_selftests.h @@ -6,6 +6,10 @@ * * Tests are executed in order by igt/drm_selftests_helper */ +selftest(drm_rect_clip_scaled_div_by_zero, igt_drm_rect_clip_scaled_div_by_zero) +selftest(drm_rect_clip_scaled_not_clipped, igt_drm_rect_clip_scaled_not_clipped) +selftest(drm_rect_clip_scaled_clipped, igt_drm_rect_clip_scaled_clipped) +selftest(drm_rect_clip_scaled_signed_vs_unsigned, igt_drm_rect_clip_scaled_signed_vs_unsigned) selftest(check_plane_state, igt_check_plane_state) selftest(check_drm_format_block_width, igt_check_drm_format_block_width) selftest(check_drm_format_block_height, igt_check_drm_format_block_height) @@ -32,3 +36,5 @@ selftest(damage_iter_damage_one_intersect, igt_damage_iter_damage_one_intersect) selftest(damage_iter_damage_one_outside, igt_damage_iter_damage_one_outside) selftest(damage_iter_damage_src_moved, igt_damage_iter_damage_src_moved) selftest(damage_iter_damage_not_visible, igt_damage_iter_damage_not_visible) +selftest(dp_mst_calc_pbn_mode, igt_dp_mst_calc_pbn_mode) +selftest(dp_mst_sideband_msg_req_decode, igt_dp_mst_sideband_msg_req_decode) diff --git a/drivers/gpu/drm/selftests/test-drm_cmdline_parser.c b/drivers/gpu/drm/selftests/test-drm_cmdline_parser.c index 14c96edb13df..520f3e66a384 100644 --- a/drivers/gpu/drm/selftests/test-drm_cmdline_parser.c +++ b/drivers/gpu/drm/selftests/test-drm_cmdline_parser.c @@ -17,6 +17,136 @@ static const struct drm_connector no_connector = {}; +static int drm_cmdline_test_force_e_only(void *ignored) +{ + struct drm_cmdline_mode mode = { }; + + FAIL_ON(!drm_mode_parse_command_line_for_connector("e", + &no_connector, + &mode)); + FAIL_ON(mode.specified); + FAIL_ON(mode.refresh_specified); + FAIL_ON(mode.bpp_specified); + + FAIL_ON(mode.rb); + FAIL_ON(mode.cvt); + FAIL_ON(mode.interlace); + FAIL_ON(mode.margins); + FAIL_ON(mode.force != DRM_FORCE_ON); + + return 0; +} + +static int drm_cmdline_test_force_D_only_not_digital(void *ignored) +{ + struct drm_cmdline_mode mode = { }; + + FAIL_ON(!drm_mode_parse_command_line_for_connector("D", + &no_connector, + &mode)); + FAIL_ON(mode.specified); + FAIL_ON(mode.refresh_specified); + FAIL_ON(mode.bpp_specified); + + FAIL_ON(mode.rb); + FAIL_ON(mode.cvt); + FAIL_ON(mode.interlace); + FAIL_ON(mode.margins); + FAIL_ON(mode.force != DRM_FORCE_ON); + + return 0; +} + +static const struct drm_connector connector_hdmi = { + .connector_type = DRM_MODE_CONNECTOR_HDMIB, +}; + +static int drm_cmdline_test_force_D_only_hdmi(void *ignored) +{ + struct drm_cmdline_mode mode = { }; + + FAIL_ON(!drm_mode_parse_command_line_for_connector("D", + &connector_hdmi, + &mode)); + FAIL_ON(mode.specified); + FAIL_ON(mode.refresh_specified); + FAIL_ON(mode.bpp_specified); + + FAIL_ON(mode.rb); + FAIL_ON(mode.cvt); + FAIL_ON(mode.interlace); + FAIL_ON(mode.margins); + FAIL_ON(mode.force != DRM_FORCE_ON_DIGITAL); + + return 0; +} + +static const struct drm_connector connector_dvi = { + .connector_type = DRM_MODE_CONNECTOR_DVII, +}; + +static int drm_cmdline_test_force_D_only_dvi(void *ignored) +{ + struct drm_cmdline_mode mode = { }; + + FAIL_ON(!drm_mode_parse_command_line_for_connector("D", + &connector_dvi, + &mode)); + FAIL_ON(mode.specified); + FAIL_ON(mode.refresh_specified); + FAIL_ON(mode.bpp_specified); + + FAIL_ON(mode.rb); + FAIL_ON(mode.cvt); + FAIL_ON(mode.interlace); + FAIL_ON(mode.margins); + FAIL_ON(mode.force != DRM_FORCE_ON_DIGITAL); + + return 0; +} + +static int drm_cmdline_test_force_d_only(void *ignored) +{ + struct drm_cmdline_mode mode = { }; + + FAIL_ON(!drm_mode_parse_command_line_for_connector("d", + &no_connector, + &mode)); + FAIL_ON(mode.specified); + FAIL_ON(mode.refresh_specified); + FAIL_ON(mode.bpp_specified); + + FAIL_ON(mode.rb); + FAIL_ON(mode.cvt); + FAIL_ON(mode.interlace); + FAIL_ON(mode.margins); + FAIL_ON(mode.force != DRM_FORCE_OFF); + + return 0; +} + +static int drm_cmdline_test_margin_only(void *ignored) +{ + struct drm_cmdline_mode mode = { }; + + FAIL_ON(drm_mode_parse_command_line_for_connector("m", + &no_connector, + &mode)); + + return 0; +} + +static int drm_cmdline_test_interlace_only(void *ignored) +{ + struct drm_cmdline_mode mode = { }; + + FAIL_ON(drm_mode_parse_command_line_for_connector("i", + &no_connector, + &mode)); + + return 0; +} + static int drm_cmdline_test_res(void *ignored) { struct drm_cmdline_mode mode = { }; @@ -862,6 +992,128 @@ static int drm_cmdline_test_invalid_option(void *ignored) return 0; } +static int drm_cmdline_test_bpp_extra_and_option(void *ignored) +{ + struct drm_cmdline_mode mode = { }; + + FAIL_ON(!drm_mode_parse_command_line_for_connector("720x480-24e,rotate=180", + &no_connector, + &mode)); + FAIL_ON(!mode.specified); + FAIL_ON(mode.xres != 720); + FAIL_ON(mode.yres != 480); + FAIL_ON(mode.rotation_reflection != DRM_MODE_ROTATE_180); + + FAIL_ON(mode.refresh_specified); + + FAIL_ON(!mode.bpp_specified); + FAIL_ON(mode.bpp != 24); + + FAIL_ON(mode.rb); + FAIL_ON(mode.cvt); + FAIL_ON(mode.interlace); + FAIL_ON(mode.margins); + FAIL_ON(mode.force != DRM_FORCE_ON); + + return 0; +} + +static int drm_cmdline_test_extra_and_option(void *ignored) +{ + struct drm_cmdline_mode mode = { }; + + FAIL_ON(!drm_mode_parse_command_line_for_connector("720x480e,rotate=180", + &no_connector, + &mode)); + FAIL_ON(!mode.specified); + FAIL_ON(mode.xres != 720); + FAIL_ON(mode.yres != 480); + FAIL_ON(mode.rotation_reflection != DRM_MODE_ROTATE_180); + + FAIL_ON(mode.refresh_specified); + FAIL_ON(mode.bpp_specified); + + FAIL_ON(mode.rb); + FAIL_ON(mode.cvt); + FAIL_ON(mode.interlace); + FAIL_ON(mode.margins); + FAIL_ON(mode.force != DRM_FORCE_ON); + + return 0; +} + +static int drm_cmdline_test_freestanding_options(void *ignored) +{ + struct drm_cmdline_mode mode = { }; + + FAIL_ON(!drm_mode_parse_command_line_for_connector("margin_right=14,margin_left=24,margin_bottom=36,margin_top=42", + &no_connector, + &mode)); + FAIL_ON(mode.specified); + FAIL_ON(mode.refresh_specified); + FAIL_ON(mode.bpp_specified); + + FAIL_ON(mode.tv_margins.right != 14); + FAIL_ON(mode.tv_margins.left != 24); + FAIL_ON(mode.tv_margins.bottom != 36); + FAIL_ON(mode.tv_margins.top != 42); + + FAIL_ON(mode.rb); + FAIL_ON(mode.cvt); + FAIL_ON(mode.interlace); + FAIL_ON(mode.margins); + FAIL_ON(mode.force != DRM_FORCE_UNSPECIFIED); + + return 0; +} + +static int drm_cmdline_test_freestanding_force_e_and_options(void *ignored) +{ + struct drm_cmdline_mode mode = { }; + + FAIL_ON(!drm_mode_parse_command_line_for_connector("e,margin_right=14,margin_left=24,margin_bottom=36,margin_top=42", + &no_connector, + &mode)); + FAIL_ON(mode.specified); + FAIL_ON(mode.refresh_specified); + FAIL_ON(mode.bpp_specified); + + FAIL_ON(mode.tv_margins.right != 14); + FAIL_ON(mode.tv_margins.left != 24); + FAIL_ON(mode.tv_margins.bottom != 36); + FAIL_ON(mode.tv_margins.top != 42); + + FAIL_ON(mode.rb); + FAIL_ON(mode.cvt); + FAIL_ON(mode.interlace); + FAIL_ON(mode.margins); + FAIL_ON(mode.force != DRM_FORCE_ON); + + return 0; +} + +static int drm_cmdline_test_panel_orientation(void *ignored) +{ + struct drm_cmdline_mode mode = { }; + + FAIL_ON(!drm_mode_parse_command_line_for_connector("panel_orientation=upside_down", + &no_connector, + &mode)); + FAIL_ON(mode.specified); + FAIL_ON(mode.refresh_specified); + FAIL_ON(mode.bpp_specified); + + FAIL_ON(mode.panel_orientation != DRM_MODE_PANEL_ORIENTATION_BOTTOM_UP); + + FAIL_ON(mode.rb); + FAIL_ON(mode.cvt); + FAIL_ON(mode.interlace); + FAIL_ON(mode.margins); + FAIL_ON(mode.force != DRM_FORCE_UNSPECIFIED); + + return 0; +} + #include "drm_selftest.c" static int __init test_drm_cmdline_init(void) diff --git a/drivers/gpu/drm/selftests/test-drm_dp_mst_helper.c b/drivers/gpu/drm/selftests/test-drm_dp_mst_helper.c new file mode 100644 index 000000000000..bd990d178765 --- /dev/null +++ b/drivers/gpu/drm/selftests/test-drm_dp_mst_helper.c @@ -0,0 +1,242 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Test cases for for the DRM DP MST helpers + */ + +#define PREFIX_STR "[drm_dp_mst_helper]" + +#include <drm/drm_dp_mst_helper.h> +#include <drm/drm_print.h> + +#include "../drm_dp_mst_topology_internal.h" +#include "test-drm_modeset_common.h" + +int igt_dp_mst_calc_pbn_mode(void *ignored) +{ + int pbn, i; + const struct { + int rate; + int bpp; + int expected; + bool dsc; + } test_params[] = { + { 154000, 30, 689, false }, + { 234000, 30, 1047, false }, + { 297000, 24, 1063, false }, + { 332880, 24, 50, true }, + { 324540, 24, 49, true }, + }; + + for (i = 0; i < ARRAY_SIZE(test_params); i++) { + pbn = drm_dp_calc_pbn_mode(test_params[i].rate, + test_params[i].bpp, + test_params[i].dsc); + FAIL(pbn != test_params[i].expected, + "Expected PBN %d for clock %d bpp %d, got %d\n", + test_params[i].expected, test_params[i].rate, + test_params[i].bpp, pbn); + } + + return 0; +} + +static bool +sideband_msg_req_equal(const struct drm_dp_sideband_msg_req_body *in, + const struct drm_dp_sideband_msg_req_body *out) +{ + const struct drm_dp_remote_i2c_read_tx *txin, *txout; + int i; + + if (in->req_type != out->req_type) + return false; + + switch (in->req_type) { + /* + * Compare struct members manually for request types which can't be + * compared simply using memcmp(). This is because said request types + * contain pointers to other allocated structs + */ + case DP_REMOTE_I2C_READ: +#define IN in->u.i2c_read +#define OUT out->u.i2c_read + if (IN.num_bytes_read != OUT.num_bytes_read || + IN.num_transactions != OUT.num_transactions || + IN.port_number != OUT.port_number || + IN.read_i2c_device_id != OUT.read_i2c_device_id) + return false; + + for (i = 0; i < IN.num_transactions; i++) { + txin = &IN.transactions[i]; + txout = &OUT.transactions[i]; + + if (txin->i2c_dev_id != txout->i2c_dev_id || + txin->no_stop_bit != txout->no_stop_bit || + txin->num_bytes != txout->num_bytes || + txin->i2c_transaction_delay != + txout->i2c_transaction_delay) + return false; + + if (memcmp(txin->bytes, txout->bytes, + txin->num_bytes) != 0) + return false; + } + break; +#undef IN +#undef OUT + + case DP_REMOTE_DPCD_WRITE: +#define IN in->u.dpcd_write +#define OUT out->u.dpcd_write + if (IN.dpcd_address != OUT.dpcd_address || + IN.num_bytes != OUT.num_bytes || + IN.port_number != OUT.port_number) + return false; + + return memcmp(IN.bytes, OUT.bytes, IN.num_bytes) == 0; +#undef IN +#undef OUT + + case DP_REMOTE_I2C_WRITE: +#define IN in->u.i2c_write +#define OUT out->u.i2c_write + if (IN.port_number != OUT.port_number || + IN.write_i2c_device_id != OUT.write_i2c_device_id || + IN.num_bytes != OUT.num_bytes) + return false; + + return memcmp(IN.bytes, OUT.bytes, IN.num_bytes) == 0; +#undef IN +#undef OUT + + default: + return memcmp(in, out, sizeof(*in)) == 0; + } + + return true; +} + +static bool +sideband_msg_req_encode_decode(struct drm_dp_sideband_msg_req_body *in) +{ + struct drm_dp_sideband_msg_req_body out = {0}; + struct drm_printer p = drm_err_printer(PREFIX_STR); + struct drm_dp_sideband_msg_tx txmsg; + int i, ret; + + drm_dp_encode_sideband_req(in, &txmsg); + ret = drm_dp_decode_sideband_req(&txmsg, &out); + if (ret < 0) { + drm_printf(&p, "Failed to decode sideband request: %d\n", + ret); + return false; + } + + if (!sideband_msg_req_equal(in, &out)) { + drm_printf(&p, "Encode/decode failed, expected:\n"); + drm_dp_dump_sideband_msg_req_body(in, 1, &p); + drm_printf(&p, "Got:\n"); + drm_dp_dump_sideband_msg_req_body(&out, 1, &p); + return false; + } + + switch (in->req_type) { + case DP_REMOTE_DPCD_WRITE: + kfree(out.u.dpcd_write.bytes); + break; + case DP_REMOTE_I2C_READ: + for (i = 0; i < out.u.i2c_read.num_transactions; i++) + kfree(out.u.i2c_read.transactions[i].bytes); + break; + case DP_REMOTE_I2C_WRITE: + kfree(out.u.i2c_write.bytes); + break; + } + + /* Clear everything but the req_type for the input */ + memset(&in->u, 0, sizeof(in->u)); + + return true; +} + +int igt_dp_mst_sideband_msg_req_decode(void *unused) +{ + struct drm_dp_sideband_msg_req_body in = { 0 }; + u8 data[] = { 0xff, 0x0, 0xdd }; + int i; + +#define DO_TEST() FAIL_ON(!sideband_msg_req_encode_decode(&in)) + + in.req_type = DP_ENUM_PATH_RESOURCES; + in.u.port_num.port_number = 5; + DO_TEST(); + + in.req_type = DP_POWER_UP_PHY; + in.u.port_num.port_number = 5; + DO_TEST(); + + in.req_type = DP_POWER_DOWN_PHY; + in.u.port_num.port_number = 5; + DO_TEST(); + + in.req_type = DP_ALLOCATE_PAYLOAD; + in.u.allocate_payload.number_sdp_streams = 3; + for (i = 0; i < in.u.allocate_payload.number_sdp_streams; i++) + in.u.allocate_payload.sdp_stream_sink[i] = i + 1; + DO_TEST(); + in.u.allocate_payload.port_number = 0xf; + DO_TEST(); + in.u.allocate_payload.vcpi = 0x7f; + DO_TEST(); + in.u.allocate_payload.pbn = U16_MAX; + DO_TEST(); + + in.req_type = DP_QUERY_PAYLOAD; + in.u.query_payload.port_number = 0xf; + DO_TEST(); + in.u.query_payload.vcpi = 0x7f; + DO_TEST(); + + in.req_type = DP_REMOTE_DPCD_READ; + in.u.dpcd_read.port_number = 0xf; + DO_TEST(); + in.u.dpcd_read.dpcd_address = 0xfedcb; + DO_TEST(); + in.u.dpcd_read.num_bytes = U8_MAX; + DO_TEST(); + + in.req_type = DP_REMOTE_DPCD_WRITE; + in.u.dpcd_write.port_number = 0xf; + DO_TEST(); + in.u.dpcd_write.dpcd_address = 0xfedcb; + DO_TEST(); + in.u.dpcd_write.num_bytes = ARRAY_SIZE(data); + in.u.dpcd_write.bytes = data; + DO_TEST(); + + in.req_type = DP_REMOTE_I2C_READ; + in.u.i2c_read.port_number = 0xf; + DO_TEST(); + in.u.i2c_read.read_i2c_device_id = 0x7f; + DO_TEST(); + in.u.i2c_read.num_transactions = 3; + in.u.i2c_read.num_bytes_read = ARRAY_SIZE(data) * 3; + for (i = 0; i < in.u.i2c_read.num_transactions; i++) { + in.u.i2c_read.transactions[i].bytes = data; + in.u.i2c_read.transactions[i].num_bytes = ARRAY_SIZE(data); + in.u.i2c_read.transactions[i].i2c_dev_id = 0x7f & ~i; + in.u.i2c_read.transactions[i].i2c_transaction_delay = 0xf & ~i; + } + DO_TEST(); + + in.req_type = DP_REMOTE_I2C_WRITE; + in.u.i2c_write.port_number = 0xf; + DO_TEST(); + in.u.i2c_write.write_i2c_device_id = 0x7f; + DO_TEST(); + in.u.i2c_write.num_bytes = ARRAY_SIZE(data); + in.u.i2c_write.bytes = data; + DO_TEST(); + +#undef DO_TEST + return 0; +} diff --git a/drivers/gpu/drm/selftests/test-drm_framebuffer.c b/drivers/gpu/drm/selftests/test-drm_framebuffer.c index a04d02dacce2..2d29ea6f92e2 100644 --- a/drivers/gpu/drm/selftests/test-drm_framebuffer.c +++ b/drivers/gpu/drm/selftests/test-drm_framebuffer.c @@ -3,7 +3,12 @@ * Test cases for the drm_framebuffer functions */ -#include <drm/drmP.h> +#include <linux/kernel.h> + +#include <drm/drm_device.h> +#include <drm/drm_mode.h> +#include <drm/drm_fourcc.h> + #include "../drm_crtc_internal.h" #include "test-drm_modeset_common.h" @@ -121,7 +126,7 @@ static struct drm_framebuffer_test createbuffer_tests[] = { .handles = { 1, 1, 0 }, .pitches = { MAX_WIDTH, MAX_WIDTH - 1, 0 }, } }, -{ .buffer_created = 0, .name = "NV12 Invalid modifier/misssing DRM_MODE_FB_MODIFIERS flag", +{ .buffer_created = 0, .name = "NV12 Invalid modifier/missing DRM_MODE_FB_MODIFIERS flag", .cmd = { .width = MAX_WIDTH, .height = MAX_HEIGHT, .pixel_format = DRM_FORMAT_NV12, .handles = { 1, 1, 0 }, .modifier = { DRM_FORMAT_MOD_SAMSUNG_64_32_TILE, 0, 0 }, .pitches = { MAX_WIDTH, MAX_WIDTH, 0 }, diff --git a/drivers/gpu/drm/selftests/test-drm_mm.c b/drivers/gpu/drm/selftests/test-drm_mm.c index 388f9844f4ba..9aabe82dcd3a 100644 --- a/drivers/gpu/drm/selftests/test-drm_mm.c +++ b/drivers/gpu/drm/selftests/test-drm_mm.c @@ -854,7 +854,7 @@ static bool assert_contiguous_in_range(struct drm_mm *mm, if (start > 0) { node = __drm_mm_interval_first(mm, 0, start - 1); - if (node->allocated) { + if (drm_mm_node_allocated(node)) { pr_err("node before start: node=%llx+%llu, start=%llx\n", node->start, node->size, start); return false; @@ -863,7 +863,7 @@ static bool assert_contiguous_in_range(struct drm_mm *mm, if (end < U64_MAX) { node = __drm_mm_interval_first(mm, end, U64_MAX); - if (node->allocated) { + if (drm_mm_node_allocated(node)) { pr_err("node after end: node=%llx+%llu, end=%llx\n", node->start, node->size, end); return false; @@ -1156,12 +1156,12 @@ static void show_holes(const struct drm_mm *mm, int count) struct drm_mm_node *next = list_next_entry(hole, node_list); const char *node1 = NULL, *node2 = NULL; - if (hole->allocated) + if (drm_mm_node_allocated(hole)) node1 = kasprintf(GFP_KERNEL, "[%llx + %lld, color=%ld], ", hole->start, hole->size, hole->color); - if (next->allocated) + if (drm_mm_node_allocated(next)) node2 = kasprintf(GFP_KERNEL, ", [%llx + %lld, color=%ld]", next->start, next->size, next->color); @@ -1900,18 +1900,18 @@ static void separate_adjacent_colors(const struct drm_mm_node *node, u64 *start, u64 *end) { - if (node->allocated && node->color != color) + if (drm_mm_node_allocated(node) && node->color != color) ++*start; node = list_next_entry(node, node_list); - if (node->allocated && node->color != color) + if (drm_mm_node_allocated(node) && node->color != color) --*end; } static bool colors_abutt(const struct drm_mm_node *node) { if (!drm_mm_hole_follows(node) && - list_next_entry(node, node_list)->allocated) { + drm_mm_node_allocated(list_next_entry(node, node_list))) { pr_err("colors abutt; %ld [%llx + %llx] is next to %ld [%llx + %llx]!\n", node->color, node->start, node->size, list_next_entry(node, node_list)->color, diff --git a/drivers/gpu/drm/selftests/test-drm_modeset_common.h b/drivers/gpu/drm/selftests/test-drm_modeset_common.h index 8c76f09c12d1..cfb51d8da2bc 100644 --- a/drivers/gpu/drm/selftests/test-drm_modeset_common.h +++ b/drivers/gpu/drm/selftests/test-drm_modeset_common.h @@ -3,6 +3,9 @@ #ifndef __TEST_DRM_MODESET_COMMON_H__ #define __TEST_DRM_MODESET_COMMON_H__ +#include <linux/errno.h> +#include <linux/printk.h> + #define FAIL(test, msg, ...) \ do { \ if (test) { \ @@ -13,6 +16,10 @@ #define FAIL_ON(x) FAIL((x), "%s", "FAIL_ON(" __stringify(x) ")\n") +int igt_drm_rect_clip_scaled_div_by_zero(void *ignored); +int igt_drm_rect_clip_scaled_not_clipped(void *ignored); +int igt_drm_rect_clip_scaled_clipped(void *ignored); +int igt_drm_rect_clip_scaled_signed_vs_unsigned(void *ignored); int igt_check_plane_state(void *ignored); int igt_check_drm_format_block_width(void *ignored); int igt_check_drm_format_block_height(void *ignored); @@ -39,5 +46,7 @@ int igt_damage_iter_damage_one_intersect(void *ignored); int igt_damage_iter_damage_one_outside(void *ignored); int igt_damage_iter_damage_src_moved(void *ignored); int igt_damage_iter_damage_not_visible(void *ignored); +int igt_dp_mst_calc_pbn_mode(void *ignored); +int igt_dp_mst_sideband_msg_req_decode(void *ignored); #endif diff --git a/drivers/gpu/drm/selftests/test-drm_rect.c b/drivers/gpu/drm/selftests/test-drm_rect.c new file mode 100644 index 000000000000..3a5ff38321f4 --- /dev/null +++ b/drivers/gpu/drm/selftests/test-drm_rect.c @@ -0,0 +1,223 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Test cases for the drm_rect functions + */ + +#define pr_fmt(fmt) "drm_rect: " fmt + +#include <linux/limits.h> + +#include <drm/drm_rect.h> + +#include "test-drm_modeset_common.h" + +int igt_drm_rect_clip_scaled_div_by_zero(void *ignored) +{ + struct drm_rect src, dst, clip; + bool visible; + + /* + * Make sure we don't divide by zero when dst + * width/height is zero and dst and clip do not intersect. + */ + drm_rect_init(&src, 0, 0, 0, 0); + drm_rect_init(&dst, 0, 0, 0, 0); + drm_rect_init(&clip, 1, 1, 1, 1); + visible = drm_rect_clip_scaled(&src, &dst, &clip); + FAIL(visible, "Destination not be visible\n"); + FAIL(drm_rect_visible(&src), "Source should not be visible\n"); + + drm_rect_init(&src, 0, 0, 0, 0); + drm_rect_init(&dst, 3, 3, 0, 0); + drm_rect_init(&clip, 1, 1, 1, 1); + visible = drm_rect_clip_scaled(&src, &dst, &clip); + FAIL(visible, "Destination not be visible\n"); + FAIL(drm_rect_visible(&src), "Source should not be visible\n"); + + return 0; +} + +int igt_drm_rect_clip_scaled_not_clipped(void *ignored) +{ + struct drm_rect src, dst, clip; + bool visible; + + /* 1:1 scaling */ + drm_rect_init(&src, 0, 0, 1 << 16, 1 << 16); + drm_rect_init(&dst, 0, 0, 1, 1); + drm_rect_init(&clip, 0, 0, 1, 1); + + visible = drm_rect_clip_scaled(&src, &dst, &clip); + + FAIL(src.x1 != 0 || src.x2 != 1 << 16 || + src.y1 != 0 || src.y2 != 1 << 16, + "Source badly clipped\n"); + FAIL(dst.x1 != 0 || dst.x2 != 1 || + dst.y1 != 0 || dst.y2 != 1, + "Destination badly clipped\n"); + FAIL(!visible, "Destination should be visible\n"); + FAIL(!drm_rect_visible(&src), "Source should be visible\n"); + + /* 2:1 scaling */ + drm_rect_init(&src, 0, 0, 2 << 16, 2 << 16); + drm_rect_init(&dst, 0, 0, 1, 1); + drm_rect_init(&clip, 0, 0, 1, 1); + + visible = drm_rect_clip_scaled(&src, &dst, &clip); + + FAIL(src.x1 != 0 || src.x2 != 2 << 16 || + src.y1 != 0 || src.y2 != 2 << 16, + "Source badly clipped\n"); + FAIL(dst.x1 != 0 || dst.x2 != 1 || + dst.y1 != 0 || dst.y2 != 1, + "Destination badly clipped\n"); + FAIL(!visible, "Destination should be visible\n"); + FAIL(!drm_rect_visible(&src), "Source should be visible\n"); + + /* 1:2 scaling */ + drm_rect_init(&src, 0, 0, 1 << 16, 1 << 16); + drm_rect_init(&dst, 0, 0, 2, 2); + drm_rect_init(&clip, 0, 0, 2, 2); + + visible = drm_rect_clip_scaled(&src, &dst, &clip); + + FAIL(src.x1 != 0 || src.x2 != 1 << 16 || + src.y1 != 0 || src.y2 != 1 << 16, + "Source badly clipped\n"); + FAIL(dst.x1 != 0 || dst.x2 != 2 || + dst.y1 != 0 || dst.y2 != 2, + "Destination badly clipped\n"); + FAIL(!visible, "Destination should be visible\n"); + FAIL(!drm_rect_visible(&src), "Source should be visible\n"); + + return 0; +} + +int igt_drm_rect_clip_scaled_clipped(void *ignored) +{ + struct drm_rect src, dst, clip; + bool visible; + + /* 1:1 scaling top/left clip */ + drm_rect_init(&src, 0, 0, 2 << 16, 2 << 16); + drm_rect_init(&dst, 0, 0, 2, 2); + drm_rect_init(&clip, 0, 0, 1, 1); + + visible = drm_rect_clip_scaled(&src, &dst, &clip); + + FAIL(src.x1 != 0 || src.x2 != 1 << 16 || + src.y1 != 0 || src.y2 != 1 << 16, + "Source badly clipped\n"); + FAIL(dst.x1 != 0 || dst.x2 != 1 || + dst.y1 != 0 || dst.y2 != 1, + "Destination badly clipped\n"); + FAIL(!visible, "Destination should be visible\n"); + FAIL(!drm_rect_visible(&src), "Source should be visible\n"); + + /* 1:1 scaling bottom/right clip */ + drm_rect_init(&src, 0, 0, 2 << 16, 2 << 16); + drm_rect_init(&dst, 0, 0, 2, 2); + drm_rect_init(&clip, 1, 1, 1, 1); + + visible = drm_rect_clip_scaled(&src, &dst, &clip); + + FAIL(src.x1 != 1 << 16 || src.x2 != 2 << 16 || + src.y1 != 1 << 16 || src.y2 != 2 << 16, + "Source badly clipped\n"); + FAIL(dst.x1 != 1 || dst.x2 != 2 || + dst.y1 != 1 || dst.y2 != 2, + "Destination badly clipped\n"); + FAIL(!visible, "Destination should be visible\n"); + FAIL(!drm_rect_visible(&src), "Source should be visible\n"); + + /* 2:1 scaling top/left clip */ + drm_rect_init(&src, 0, 0, 4 << 16, 4 << 16); + drm_rect_init(&dst, 0, 0, 2, 2); + drm_rect_init(&clip, 0, 0, 1, 1); + + visible = drm_rect_clip_scaled(&src, &dst, &clip); + + FAIL(src.x1 != 0 || src.x2 != 2 << 16 || + src.y1 != 0 || src.y2 != 2 << 16, + "Source badly clipped\n"); + FAIL(dst.x1 != 0 || dst.x2 != 1 || + dst.y1 != 0 || dst.y2 != 1, + "Destination badly clipped\n"); + FAIL(!visible, "Destination should be visible\n"); + FAIL(!drm_rect_visible(&src), "Source should be visible\n"); + + /* 2:1 scaling bottom/right clip */ + drm_rect_init(&src, 0, 0, 4 << 16, 4 << 16); + drm_rect_init(&dst, 0, 0, 2, 2); + drm_rect_init(&clip, 1, 1, 1, 1); + + visible = drm_rect_clip_scaled(&src, &dst, &clip); + + FAIL(src.x1 != 2 << 16 || src.x2 != 4 << 16 || + src.y1 != 2 << 16 || src.y2 != 4 << 16, + "Source badly clipped\n"); + FAIL(dst.x1 != 1 || dst.x2 != 2 || + dst.y1 != 1 || dst.y2 != 2, + "Destination badly clipped\n"); + FAIL(!visible, "Destination should be visible\n"); + FAIL(!drm_rect_visible(&src), "Source should be visible\n"); + + /* 1:2 scaling top/left clip */ + drm_rect_init(&src, 0, 0, 2 << 16, 2 << 16); + drm_rect_init(&dst, 0, 0, 4, 4); + drm_rect_init(&clip, 0, 0, 2, 2); + + visible = drm_rect_clip_scaled(&src, &dst, &clip); + + FAIL(src.x1 != 0 || src.x2 != 1 << 16 || + src.y1 != 0 || src.y2 != 1 << 16, + "Source badly clipped\n"); + FAIL(dst.x1 != 0 || dst.x2 != 2 || + dst.y1 != 0 || dst.y2 != 2, + "Destination badly clipped\n"); + FAIL(!visible, "Destination should be visible\n"); + FAIL(!drm_rect_visible(&src), "Source should be visible\n"); + + /* 1:2 scaling bottom/right clip */ + drm_rect_init(&src, 0, 0, 2 << 16, 2 << 16); + drm_rect_init(&dst, 0, 0, 4, 4); + drm_rect_init(&clip, 2, 2, 2, 2); + + visible = drm_rect_clip_scaled(&src, &dst, &clip); + + FAIL(src.x1 != 1 << 16 || src.x2 != 2 << 16 || + src.y1 != 1 << 16 || src.y2 != 2 << 16, + "Source badly clipped\n"); + FAIL(dst.x1 != 2 || dst.x2 != 4 || + dst.y1 != 2 || dst.y2 != 4, + "Destination badly clipped\n"); + FAIL(!visible, "Destination should be visible\n"); + FAIL(!drm_rect_visible(&src), "Source should be visible\n"); + + return 0; +} + +int igt_drm_rect_clip_scaled_signed_vs_unsigned(void *ignored) +{ + struct drm_rect src, dst, clip; + bool visible; + + /* + * 'clip.x2 - dst.x1 >= dst width' could result a negative + * src rectangle width which is no longer expected by the + * code as it's using unsigned types. This could lead to + * the clipped source rectangle appering visible when it + * should have been fully clipped. Make sure both rectangles + * end up invisible. + */ + drm_rect_init(&src, 0, 0, INT_MAX, INT_MAX); + drm_rect_init(&dst, 0, 0, 2, 2); + drm_rect_init(&clip, 3, 3, 1, 1); + + visible = drm_rect_clip_scaled(&src, &dst, &clip); + + FAIL(visible, "Destination should not be visible\n"); + FAIL(drm_rect_visible(&src), "Source should not be visible\n"); + + return 0; +} |
