From: Tian Tao <tiantao6@hisilicon.com> To: <puck.chen@hisilicon.com>, <airlied@linux.ie>, <daniel@ffwll.ch>, <tzimmermann@suse.de>, <kraxel@redhat.com>, <alexander.deucher@amd.com>, <tglx@linutronix.de>, <dri-devel@lists.freedesktop.org>, <xinliang.liu@linaro.org>, <linux-kernel@vger.kernel.org> Cc: <linuxarm@huawei.com> Subject: [PATCH] drm/hisilicon: Checked the resolution is valid before connector Date: Sat, 28 Dec 2019 09:02:31 +0800 [thread overview] Message-ID: <1577494951-28435-1-git-send-email-tiantao6@hisilicon.com> (raw) In the previous version, the callback function mode_valid of drm_connector_helper_funcs directly returned MODE_OK. Now we will ensure that the resolution is correct and return MODE_OK, otherwise return MODE_NOMODE. Signed-off-by: Tian Tao <tiantao6@hisilicon.com> Signed-off-by: Gong junjie <gongjunjie2@huawei.com> --- drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_vdac.c | 41 ++++++++++++++++++++++-- 1 file changed, 39 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_vdac.c b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_vdac.c index 6d98fdc..3d08210 100644 --- a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_vdac.c +++ b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_vdac.c @@ -11,22 +11,59 @@ * Jianhua Li <lijianhua@huawei.com> */ +#include <drm/drm_gem_vram_helper.h> #include <drm/drm_atomic_helper.h> #include <drm/drm_probe_helper.h> +#include <drm/drm_crtc_helper.h> #include <drm/drm_print.h> #include "hibmc_drm_drv.h" #include "hibmc_drm_regs.h" +static const struct hibmc_resolution { + int w; + int h; +} hibmc_modetables[] = { + {640, 480}, {800, 600}, {1024, 768}, {1152, 864}, {1280, 768}, + {1280, 720}, {1280, 960}, {1280, 1024}, {1440, 900}, {1600, 900}, + {1600, 1200}, {1920, 1080}, {1920, 1200} +}; + +static int hibmc_valid_mode(int w, int h) +{ + int size = sizeof(hibmc_modetables) / sizeof(struct hibmc_resolution); + int i; + + for (i = 0; i < size; i++) { + if (hibmc_modetables[i].w == w && hibmc_modetables[i].h == h) + return 0; + } + + return -1; +} + static int hibmc_connector_get_modes(struct drm_connector *connector) { - return drm_add_modes_noedid(connector, 800, 600); + int count; + + drm_connector_update_edid_property(connector, NULL); + count = drm_add_modes_noedid(connector, 1920, 1200); + drm_set_preferred_mode(connector, 1024, 768); + + return count; } static enum drm_mode_status hibmc_connector_mode_valid(struct drm_connector *connector, struct drm_display_mode *mode) { - return MODE_OK; + int vrefresh = drm_mode_vrefresh(mode); + + if (vrefresh < 59 || vrefresh > 61) + return MODE_NOMODE; + else if (hibmc_valid_mode(mode->hdisplay, mode->vdisplay) != 0) + return MODE_NOMODE; + else + return MODE_OK; } static const struct drm_connector_helper_funcs -- 2.7.4
WARNING: multiple messages have this Message-ID (diff)
From: Tian Tao <tiantao6@hisilicon.com> To: <puck.chen@hisilicon.com>, <airlied@linux.ie>, <daniel@ffwll.ch>, <tzimmermann@suse.de>, <kraxel@redhat.com>, <alexander.deucher@amd.com>, <tglx@linutronix.de>, <dri-devel@lists.freedesktop.org>, <xinliang.liu@linaro.org>, <linux-kernel@vger.kernel.org> Cc: linuxarm@huawei.com Subject: [PATCH] drm/hisilicon: Checked the resolution is valid before connector Date: Sat, 28 Dec 2019 09:02:31 +0800 [thread overview] Message-ID: <1577494951-28435-1-git-send-email-tiantao6@hisilicon.com> (raw) In the previous version, the callback function mode_valid of drm_connector_helper_funcs directly returned MODE_OK. Now we will ensure that the resolution is correct and return MODE_OK, otherwise return MODE_NOMODE. Signed-off-by: Tian Tao <tiantao6@hisilicon.com> Signed-off-by: Gong junjie <gongjunjie2@huawei.com> --- drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_vdac.c | 41 ++++++++++++++++++++++-- 1 file changed, 39 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_vdac.c b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_vdac.c index 6d98fdc..3d08210 100644 --- a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_vdac.c +++ b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_vdac.c @@ -11,22 +11,59 @@ * Jianhua Li <lijianhua@huawei.com> */ +#include <drm/drm_gem_vram_helper.h> #include <drm/drm_atomic_helper.h> #include <drm/drm_probe_helper.h> +#include <drm/drm_crtc_helper.h> #include <drm/drm_print.h> #include "hibmc_drm_drv.h" #include "hibmc_drm_regs.h" +static const struct hibmc_resolution { + int w; + int h; +} hibmc_modetables[] = { + {640, 480}, {800, 600}, {1024, 768}, {1152, 864}, {1280, 768}, + {1280, 720}, {1280, 960}, {1280, 1024}, {1440, 900}, {1600, 900}, + {1600, 1200}, {1920, 1080}, {1920, 1200} +}; + +static int hibmc_valid_mode(int w, int h) +{ + int size = sizeof(hibmc_modetables) / sizeof(struct hibmc_resolution); + int i; + + for (i = 0; i < size; i++) { + if (hibmc_modetables[i].w == w && hibmc_modetables[i].h == h) + return 0; + } + + return -1; +} + static int hibmc_connector_get_modes(struct drm_connector *connector) { - return drm_add_modes_noedid(connector, 800, 600); + int count; + + drm_connector_update_edid_property(connector, NULL); + count = drm_add_modes_noedid(connector, 1920, 1200); + drm_set_preferred_mode(connector, 1024, 768); + + return count; } static enum drm_mode_status hibmc_connector_mode_valid(struct drm_connector *connector, struct drm_display_mode *mode) { - return MODE_OK; + int vrefresh = drm_mode_vrefresh(mode); + + if (vrefresh < 59 || vrefresh > 61) + return MODE_NOMODE; + else if (hibmc_valid_mode(mode->hdisplay, mode->vdisplay) != 0) + return MODE_NOMODE; + else + return MODE_OK; } static const struct drm_connector_helper_funcs -- 2.7.4 _______________________________________________ dri-devel mailing list dri-devel@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/dri-devel
next reply other threads:[~2019-12-28 1:02 UTC|newest] Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top 2019-12-28 1:02 Tian Tao [this message] 2019-12-28 1:02 ` [PATCH] drm/hisilicon: Checked the resolution is valid before connector Tian Tao -- strict thread matches above, loose matches on Subject: below -- 2019-12-28 0:59 Tian Tao 2019-12-30 1:43 ` Xinliang Liu 2020-01-06 9:11 ` Thomas Zimmermann
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