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Sat, 28 Sep 2024 01:58:27 -0700 (PDT) From: Phil Dennis-Jordan To: qemu-devel@nongnu.org Cc: agraf@csgraf.de, phil@philjordan.eu, peter.maydell@linaro.org, pbonzini@redhat.com, rad@semihalf.com, quic_llindhol@quicinc.com, marcin.juszkiewicz@linaro.org, stefanha@redhat.com, mst@redhat.com, slp@redhat.com, richard.henderson@linaro.org, eduardo@habkost.net, marcel.apfelbaum@gmail.com, gaosong@loongson.cn, jiaxun.yang@flygoat.com, chenhuacai@kernel.org, kwolf@redhat.com, hreitz@redhat.com, philmd@linaro.org, shorne@gmail.com, palmer@dabbelt.com, alistair.francis@wdc.com, bmeng.cn@gmail.com, liwei1518@gmail.com, dbarboza@ventanamicro.com, zhiwei_liu@linux.alibaba.com, jcmvbkbc@gmail.com, marcandre.lureau@redhat.com, berrange@redhat.com, akihiko.odaki@daynix.com, qemu-arm@nongnu.org, qemu-block@nongnu.org, qemu-riscv@nongnu.org Subject: [PATCH v3 04/14] hw/display/apple-gfx: Adds configurable mode list Date: Sat, 28 Sep 2024 10:57:17 +0200 Message-Id: <20240928085727.56883-5-phil@philjordan.eu> X-Mailer: git-send-email 2.39.3 (Apple Git-145) In-Reply-To: <20240928085727.56883-1-phil@philjordan.eu> References: <20240928085727.56883-1-phil@philjordan.eu> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: neutral client-ip=2a00:1450:4864:20::435; envelope-from=phil@philjordan.eu; helo=mail-wr1-x435.google.com X-Spam_score_int: -10 X-Spam_score: -1.1 X-Spam_bar: - X-Spam_report: (-1.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, SPF_HELO_NONE=0.001, SPF_NEUTRAL=0.779 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @philjordan-eu.20230601.gappssmtp.com) X-ZM-MESSAGEID: 1727514151332116600 Content-Type: text/plain; charset="utf-8" This change adds a property 'display_modes' on the graphics device which permits specifying a list of display modes. (screen resolution and refresh rate) PCI variant of apple-gfx only for the moment. Signed-off-by: Phil Dennis-Jordan --- hw/display/apple-gfx-pci.m | 43 ++++++++++- hw/display/apple-gfx.h | 17 ++++- hw/display/apple-gfx.m | 151 ++++++++++++++++++++++++++++++++++--- 3 files changed, 198 insertions(+), 13 deletions(-) diff --git a/hw/display/apple-gfx-pci.m b/hw/display/apple-gfx-pci.m index 9370258ee46..ea86a1f4a21 100644 --- a/hw/display/apple-gfx-pci.m +++ b/hw/display/apple-gfx-pci.m @@ -16,6 +16,7 @@ #include "apple-gfx.h" #include "hw/pci/pci_device.h" #include "hw/pci/msi.h" +#include "hw/qdev-properties.h" #include "qapi/error.h" #include "trace.h" #import @@ -101,6 +102,46 @@ static void apple_gfx_pci_reset(Object *obj, ResetType= type) [s->common.pgdev reset]; } =20 +static void apple_gfx_pci_get_display_modes(Object *obj, Visitor *v, + const char *name, void *opaque, + Error **errp) +{ + Property *prop =3D opaque; + AppleGFXDisplayModeList *mode_list =3D object_field_prop_ptr(obj, prop= ); + + apple_gfx_get_display_modes(mode_list, v, name, errp); +} + +static void apple_gfx_pci_set_display_modes(Object *obj, Visitor *v, + const char *name, void *opaque, + Error **errp) +{ + Property *prop =3D opaque; + AppleGFXDisplayModeList *mode_list =3D object_field_prop_ptr(obj, prop= ); + + apple_gfx_set_display_modes(mode_list, v, name, errp); +} + +const PropertyInfo apple_gfx_pci_prop_display_modes =3D { + .name =3D "display_modes", + .description =3D + "Colon-separated list of display modes; " + "x@; the first mode is considered " + "'native'. Example: 3840x2160@60:2560x1440@60:1920x1080@60", + .get =3D apple_gfx_pci_get_display_modes, + .set =3D apple_gfx_pci_set_display_modes, +}; + +#define DEFINE_PROP_DISPLAY_MODES(_name, _state, _field) \ + DEFINE_PROP(_name, _state, _field, apple_gfx_pci_prop_display_modes, \ + AppleGFXDisplayModeList) + +static Property apple_gfx_pci_properties[] =3D { + DEFINE_PROP_DISPLAY_MODES("display-modes", AppleGFXPCIState, + common.display_modes), + DEFINE_PROP_END_OF_LIST(), +}; + static void apple_gfx_pci_class_init(ObjectClass *klass, void *data) { DeviceClass *dc =3D DEVICE_CLASS(klass); @@ -118,7 +159,7 @@ static void apple_gfx_pci_class_init(ObjectClass *klass= , void *data) pci->class_id =3D PCI_CLASS_DISPLAY_OTHER; pci->realize =3D apple_gfx_pci_realize; =20 - // TODO: Property for setting mode list + device_class_set_props(dc, apple_gfx_pci_properties); } =20 static TypeInfo apple_gfx_pci_types[] =3D { diff --git a/hw/display/apple-gfx.h b/hw/display/apple-gfx.h index 995ecf7f4a7..baad4a98652 100644 --- a/hw/display/apple-gfx.h +++ b/hw/display/apple-gfx.h @@ -5,14 +5,28 @@ #define TYPE_APPLE_GFX_PCI "apple-gfx-pci" =20 #include "qemu/typedefs.h" +#include "qemu/osdep.h" =20 typedef struct AppleGFXState AppleGFXState; =20 +typedef struct AppleGFXDisplayMode { + uint16_t width_px; + uint16_t height_px; + uint16_t refresh_rate_hz; +} AppleGFXDisplayMode; + +typedef struct AppleGFXDisplayModeList { + GArray *modes; +} AppleGFXDisplayModeList; + void apple_gfx_common_init(Object *obj, AppleGFXState *s, const char* obj_= name); +void apple_gfx_get_display_modes(AppleGFXDisplayModeList *mode_list, Visit= or *v, + const char *name, Error **errp); +void apple_gfx_set_display_modes(AppleGFXDisplayModeList *mode_list, Visit= or *v, + const char *name, Error **errp); =20 #ifdef __OBJC__ =20 -#include "qemu/osdep.h" #include "exec/memory.h" #include "ui/surface.h" #include @@ -38,6 +52,7 @@ struct AppleGFXState { bool new_frame; bool cursor_show; QEMUCursor *cursor; + AppleGFXDisplayModeList display_modes; =20 dispatch_queue_t render_queue; /* The following fields should only be accessed from render_queue: */ diff --git a/hw/display/apple-gfx.m b/hw/display/apple-gfx.m index 6ef1048d93d..358192db6a0 100644 --- a/hw/display/apple-gfx.m +++ b/hw/display/apple-gfx.m @@ -16,6 +16,9 @@ #include "trace.h" #include "qemu-main.h" #include "qemu/main-loop.h" +#include "qemu/cutils.h" +#include "qapi/visitor.h" +#include "qapi/error.h" #include "ui/console.h" #include "monitor/monitor.h" #include "qapi/error.h" @@ -23,9 +26,10 @@ #include #import =20 -static const PGDisplayCoord_t apple_gfx_modes[] =3D { - { .x =3D 1440, .y =3D 1080 }, - { .x =3D 1280, .y =3D 1024 }, +static const AppleGFXDisplayMode apple_gfx_default_modes[] =3D { + { 1920, 1080, 60 }, + { 1440, 1080, 60 }, + { 1280, 1024, 60 }, }; =20 typedef struct PGTask_s { // Name matches forward declaration in PG header @@ -264,7 +268,6 @@ static void set_mode(AppleGFXState *s, uint32_t width, = uint32_t height) static void create_fb(AppleGFXState *s) { s->con =3D graphic_console_init(NULL, 0, &apple_gfx_fb_ops, s); - set_mode(s, 1440, 1080); =20 s->cursor_show =3D true; } @@ -466,20 +469,24 @@ static void apple_gfx_register_task_mapping_handlers(= AppleGFXState *s, return disp_desc; } =20 -static NSArray* apple_gfx_prepare_display_mode_array(void) +static NSArray* apple_gfx_create_display_mode_array( + const AppleGFXDisplayMode display_modes[], int display_mode_count) { - PGDisplayMode *modes[ARRAY_SIZE(apple_gfx_modes)]; + PGDisplayMode **modes =3D alloca(sizeof(modes[0]) * display_mode_count= ); NSArray* mode_array =3D nil; int i; =20 - for (i =3D 0; i < ARRAY_SIZE(apple_gfx_modes); i++) { + for (i =3D 0; i < display_mode_count; i++) { + const AppleGFXDisplayMode *mode =3D &display_modes[i]; + PGDisplayCoord_t mode_size =3D { mode->width_px, mode->height_px }; modes[i] =3D - [[PGDisplayMode alloc] initWithSizeInPixels:apple_gfx_modes[i]= refreshRateInHz:60.]; + [[PGDisplayMode alloc] initWithSizeInPixels:mode_size + refreshRateInHz:mode->refresh_rate= _hz]; } =20 - mode_array =3D [NSArray arrayWithObjects:modes count:ARRAY_SIZE(apple_= gfx_modes)]; + mode_array =3D [NSArray arrayWithObjects:modes count:display_mode_coun= t]; =20 - for (i =3D 0; i < ARRAY_SIZE(apple_gfx_modes); i++) { + for (i =3D 0; i < display_mode_count; i++) { [modes[i] release]; modes[i] =3D nil; } @@ -516,6 +523,8 @@ static void apple_gfx_register_task_mapping_handlers(Ap= pleGFXState *s, void apple_gfx_common_realize(AppleGFXState *s, PGDeviceDescriptor *desc) { PGDisplayDescriptor *disp_desc =3D nil; + const AppleGFXDisplayMode *display_modes =3D apple_gfx_default_modes; + int num_display_modes =3D ARRAY_SIZE(apple_gfx_default_modes); =20 QTAILQ_INIT(&s->tasks); s->render_queue =3D dispatch_queue_create("apple-gfx.render", @@ -533,7 +542,127 @@ void apple_gfx_common_realize(AppleGFXState *s, PGDev= iceDescriptor *desc) s->pgdisp =3D [s->pgdev newDisplayWithDescriptor:disp_desc port:0 serialNum:1234]; [disp_desc release]; - s->pgdisp.modeList =3D apple_gfx_prepare_display_mode_array(); + + if (s->display_modes.modes !=3D NULL && s->display_modes.modes->len > = 0) { + display_modes =3D + &g_array_index(s->display_modes.modes, AppleGFXDisplayMode, 0); + num_display_modes =3D s->display_modes.modes->len; + } + s->pgdisp.modeList =3D + apple_gfx_create_display_mode_array(display_modes, num_display_mod= es); =20 create_fb(s); } + +void apple_gfx_get_display_modes(AppleGFXDisplayModeList *mode_list, Visit= or *v, + const char *name, Error **errp) +{ + GArray *modes =3D mode_list->modes; + /* 3 uint16s (max 5 digits) and 3 separator characters per mode + nul.= */ + size_t buffer_size =3D (5 + 1) * 3 * modes->len + 1; + + char *buffer =3D alloca(buffer_size); + char *pos =3D buffer; + + unsigned used =3D 0; + buffer[0] =3D '\0'; + for (guint i =3D 0; i < modes->len; ++i) + { + AppleGFXDisplayMode *mode =3D + &g_array_index(modes, AppleGFXDisplayMode, i); + int rc =3D snprintf(pos, buffer_size - used, + "%s%"PRIu16"x%"PRIu16"@%"PRIu16, + i > 0 ? ":" : "", + mode->width_px, mode->height_px, + mode->refresh_rate_hz); + used +=3D rc; + pos +=3D rc; + assert(used < buffer_size); + } + + pos =3D buffer; + visit_type_str(v, name, &pos, errp); +} + +void apple_gfx_set_display_modes(AppleGFXDisplayModeList *mode_list, Visit= or *v, + const char *name, Error **errp) +{ + Error *local_err =3D NULL; + const char *endptr; + char *str; + int ret; + unsigned int val; + uint32_t num_modes; + GArray *modes; + uint32_t mode_idx; + + visit_type_str(v, name, &str, &local_err); + if (local_err) { + error_propagate(errp, local_err); + return; + } + + // Count colons to estimate modes. No leading/trailing colons so start= at 1. + num_modes =3D 1; + for (size_t i =3D 0; str[i] !=3D '\0'; ++i) + { + if (str[i] =3D=3D ':') { + ++num_modes; + } + } + + modes =3D g_array_sized_new(false, true, sizeof(AppleGFXDisplayMode), = num_modes); + + endptr =3D str; + for (mode_idx =3D 0; mode_idx < num_modes; ++mode_idx) + { + AppleGFXDisplayMode mode =3D {}; + if (mode_idx > 0) + { + if (*endptr !=3D ':') { + goto separator_error; + } + ++endptr; + } + + ret =3D qemu_strtoui(endptr, &endptr, 10, &val); + if (ret || val > UINT16_MAX || val =3D=3D 0) { + error_setg(errp, "width of '%s' must be a decimal integer numb= er " + "of pixels in the range 1..65535", name); + goto out; + } + mode.width_px =3D val; + if (*endptr !=3D 'x') { + goto separator_error; + } + + ret =3D qemu_strtoui(endptr + 1, &endptr, 10, &val); + if (ret || val > UINT16_MAX || val =3D=3D 0) { + error_setg(errp, "height of '%s' must be a decimal integer num= ber " + "of pixels in the range 1..65535", name); + goto out; + } + mode.height_px =3D val; + if (*endptr !=3D '@') { + goto separator_error; + } + + ret =3D qemu_strtoui(endptr + 1, &endptr, 10, &val); + if (ret) { + error_setg(errp, "refresh rate of '%s'" + " must be a non-negative decimal integer (Hertz)", = name); + } + mode.refresh_rate_hz =3D val; + g_array_append_val(modes, mode); + } + + mode_list->modes =3D modes; + goto out; + +separator_error: + error_setg(errp, "Each display mode takes the format " + "'x@', modes are separated by colons. = (:)"); +out: + g_free(str); + return; +} --=20 2.39.3 (Apple Git-145)