<html><head><meta http-equiv="Content-Type" content="text/html charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class=""> <div><blockquote type="cite" class=""><div class="">On 26 May 2015, at 10:13, Samuel Pitoiset <<a href="mailto:samuel.pitoiset@gmail.com" class="">samuel.pitoiset@gmail.com</a>> wrote:</div> <div class=""><br style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px;" class=""><br style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px;" class=""><span style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px; float: none; display: inline !important;" class="">On 05/26/2015 12:22 AM, Pierre Moreau wrote:<br style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px;" class=""><blockquote type="cite" style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px;" class="">Signed-off-by: Pierre Moreau <<a href="mailto:pierre.morrow@free.fr" class="">pierre.morrow@free.fr</a>> --- drm/nouveau/nouveau_acpi.c | 53 ++++++++++++++++++++++++++++++++++++++++++++-- drm/nouveau/nouveau_acpi.h | 2 ++ drm/nouveau/nouveau_drm.c | 6 ++++-- drm/nouveau/nouveau_vga.c | 10 +++++---- 4 files changed, 63 insertions(+), 8 deletions(-) diff --git a/drm/nouveau/nouveau_acpi.c b/drm/nouveau/nouveau_acpi.c index 104d291..3d6a1ea 100644 --- a/drm/nouveau/nouveau_acpi.c +++ b/drm/nouveau/nouveau_acpi.c @@ -29,6 +29,10 @@ #define NOUVEAU_DSM_OPTIMUS_SET_POWERDOWN (NOUVEAU_DSM_OPTIMUS_POWERDOWN_PS3 | NOUVEAU_DSM_OPTIMUS_FLAGS_CHANGED) +#define NOUVEAU_DSM_GMUX_V1_CAPS (3 << 6) + +#define NOUVEAU_DSM_GMUX_V2_CAPS (1 << 1) + /* result of the optimus caps function */ #define OPTIMUS_ENABLED (1 << 0) #define OPTIMUS_STATUS_MASK (3 << 3) @@ -45,6 +49,7 @@ static struct nouveau_dsm_priv { bool mux_detected; bool optimus_detected; + bool gmux_detected; acpi_handle dhandle; acpi_handle rom_handle; } nouveau_dsm_priv; @@ -57,8 +62,13 @@ bool nouveau_has_mux(void) { return nouveau_dsm_priv.mux_detected; } +bool nouveau_has_gmux(void) { + return nouveau_dsm_priv.gmux_detected; +} + #define NOUVEAU_DSM_HAS_MUX 0x1 #define NOUVEAU_DSM_HAS_OPT 0x2 +#define NOUVEAU_DSM_HAS_GMUX 0x4 #ifdef CONFIG_VGA_SWITCHEROO static const uint32_t nouveau_mux_dsm_rid = 0x00000102; @@ -73,6 +83,18 @@ static const char nouveau_op_dsm_muid[] = { 0xA7, 0x2B, 0x60, 0x42, 0xA6, 0xB5, 0xBE, 0xE0, }; +static const uint32_t nouveau_gmux_v1_dsm_rid = 0x0000101; +static const char nouveau_gmux_v1_dsm_muid[] = { + 0xA6, 0x69, 0x86, 0x99, 0xE9, 0x8B, 0xFB, 0x49, + 0xBD, 0xDB, 0x51, 0xA1, 0xEF, 0xE1, 0x9C, 0x3D, +}; + +static const uint32_t nouveau_gmux_v2_dsm_rid = 0x0000001; +static const char nouveau_gmux_v2_dsm_muid[] = { + 0xC6, 0xB7, 0xB5, 0xA0, 0x18, 0x13, 0x1C, 0x44, + 0xB0, 0xC9, 0xFE, 0x69, 0x5E, 0xAF, 0x94, 0x9B, +}; + static int nouveau_evaluate_optimus_dsm(acpi_handle handle, int func, int arg, uint32_t *result) { int i; @@ -161,6 +183,17 @@ static int nouveau_evaluate_mux_dsm(acpi_handle handle, int func, int arg) return ret; } +static int nouveau_check_gmux_dsm(acpi_handle handle) +{ + bool has_v1 = acpi_check_dsm(handle, nouveau_gmux_v1_dsm_muid, + nouveau_gmux_v1_dsm_rid, + NOUVEAU_DSM_GMUX_V1_CAPS); + bool has_v2 = acpi_check_dsm(handle, nouveau_gmux_v2_dsm_muid, + nouveau_gmux_v2_dsm_rid, + NOUVEAU_DSM_GMUX_V2_CAPS); + return has_v1 || has_v2; +} + static int nouveau_dsm_switch_mux(acpi_handle handle, int mux_id) { mxm_wmi_call_mxmx(mux_id == NOUVEAU_DSM_MUX_LED_STAMINA ? MXM_MXDS_ADAPTER_IGD : MXM_MXDS_ADAPTER_0); @@ -238,6 +271,9 @@ static int nouveau_dsm_pci_probe(struct pci_dev *pdev) 1 << NOUVEAU_DSM_MUX_POWER)) retval |= NOUVEAU_DSM_HAS_MUX; + if (nouveau_check_gmux_dsm(dhandle)) + retval |= NOUVEAU_DSM_HAS_GMUX; + if (nouveau_check_optimus_dsm(dhandle)) retval |= NOUVEAU_DSM_HAS_OPT; @@ -263,6 +299,7 @@ static bool nouveau_dsm_detect(void) struct pci_dev *pdev = NULL; int has_dsm = 0; int has_optimus = 0; + bool has_gmux = false; int vga_count = 0; bool guid_valid; int retval; @@ -283,6 +320,8 @@ static bool nouveau_dsm_detect(void) has_dsm |= 1; if (retval & NOUVEAU_DSM_HAS_OPT) has_optimus = 1; + if (retval & NOUVEAU_DSM_HAS_GMUX) + has_gmux = true; } while ((pdev = pci_get_class(PCI_CLASS_DISPLAY_3D << 8, pdev)) != NULL) { @@ -293,9 +332,11 @@ static bool nouveau_dsm_detect(void) has_dsm |= 1; if (retval & NOUVEAU_DSM_HAS_OPT) has_optimus = 1; + if (retval & NOUVEAU_DSM_HAS_GMUX) + has_gmux = true; } - /* find the optimus DSM or the mux DSM */ + /* find the optimus DSM, the mux DSM or the gmux DSM */ if (has_optimus == 1) { acpi_get_name(nouveau_dsm_priv.dhandle, ACPI_FULL_PATHNAME, &buffer); @@ -310,6 +351,13 @@ static bool nouveau_dsm_detect(void) acpi_method_name); nouveau_dsm_priv.mux_detected = true; ret = true; + } else if (has_gmux) { + acpi_get_name(nouveau_dsm_priv.dhandle, ACPI_FULL_PATHNAME, + &buffer); + printk(KERN_INFO "VGA switcheroo: detected gmux DSM switching method %s handle\n", + acpi_method_name); + nouveau_dsm_priv.gmux_detected = true; + ret = true; } @@ -321,7 +369,8 @@ void nouveau_register_dsm_handler(void) bool r; r = nouveau_dsm_detect(); - if (!r) + /* Apple Gmux will register its own vga switcheroo handler */ + if (!r || nouveau_has_gmux()) return; vga_switcheroo_register_handler(&nouveau_dsm_handler); diff --git a/drm/nouveau/nouveau_acpi.h b/drm/nouveau/nouveau_acpi.h index 2bd88a8..7fcfe82 100644 --- a/drm/nouveau/nouveau_acpi.h +++ b/drm/nouveau/nouveau_acpi.h @@ -6,6 +6,7 @@ #if defined(CONFIG_ACPI) && defined(CONFIG_X86) bool nouveau_is_optimus(void); bool nouveau_has_mux(void); +bool nouveau_has_gmux(void); void nouveau_register_dsm_handler(void); void nouveau_unregister_dsm_handler(void); void nouveau_switcheroo_optimus_dsm(void); @@ -15,6 +16,7 @@ void *nouveau_acpi_edid(struct drm_device *, struct drm_connector *); #else static inline bool nouveau_is_optimus(void) { return false; }; static inline bool nouveau_has_mux(void) { return false; }; +static inline bool nouveau_has_gmux(void) { return false; }; static inline void nouveau_register_dsm_handler(void) {} static inline void nouveau_unregister_dsm_handler(void) {} static inline void nouveau_switcheroo_optimus_dsm(void) {} diff --git a/drm/nouveau/nouveau_drm.c b/drm/nouveau/nouveau_drm.c index c06a7a1..702aff8 100644 --- a/drm/nouveau/nouveau_drm.c +++ b/drm/nouveau/nouveau_drm.c @@ -719,7 +719,8 @@ nouveau_pmops_runtime_suspend(struct device *dev) } /* are we optimus enabled? */ - if (nouveau_runtime_pm == -1 && !nouveau_is_optimus() && !nouveau_has_mux()) { + if (nouveau_runtime_pm == -1 && + !nouveau_is_optimus() && !nouveau_has_mux() && !nouveau_has_gmux()) { DRM_DEBUG_DRIVER("failing to power off - not optimus\n"); pm_runtime_forbid(dev); return -EBUSY; @@ -780,7 +781,8 @@ nouveau_pmops_runtime_idle(struct device *dev) } /* are we optimus enabled? */ - if (nouveau_runtime_pm == -1 && !nouveau_is_optimus() && !nouveau_has_mux()) { + if (nouveau_runtime_pm == -1 && + !nouveau_is_optimus() && !nouveau_has_mux() && !nouveau_has_gmux()) { DRM_DEBUG_DRIVER("failing to power off - not optimus\n"); pm_runtime_forbid(dev); return -EBUSY; diff --git a/drm/nouveau/nouveau_vga.c b/drm/nouveau/nouveau_vga.c index 9a6328f..3a7a9b9 100644 --- a/drm/nouveau/nouveau_vga.c +++ b/drm/nouveau/nouveau_vga.c @@ -96,11 +96,12 @@ nouveau_vga_init(struct nouveau_drm *drm) if (nouveau_runtime_pm == 1) runtime = true; - if ((nouveau_runtime_pm == -1) && (nouveau_is_optimus() || nouveau_has_mux())) + if ((nouveau_runtime_pm == -1) && + (nouveau_is_optimus() || nouveau_has_mux() || nouveau_has_gmux())) runtime = true; vga_switcheroo_register_client(dev->pdev, &nouveau_switcheroo_ops, runtime); - if (runtime && nouveau_has_mux() && !nouveau_is_optimus()) + if (runtime && (nouveau_has_mux() || nouveau_has_gmux()) && !nouveau_is_optimus()) vga_switcheroo_init_domain_pm_ops(drm->dev->dev, &drm->vga_pm_domain); } @@ -112,11 +113,12 @@ nouveau_vga_fini(struct nouveau_drm *drm) if (nouveau_runtime_pm == 1) runtime = true; - if ((nouveau_runtime_pm == -1) && (nouveau_is_optimus() || nouveau_has_mux())) + if ((nouveau_runtime_pm == -1) && + (nouveau_is_optimus() || nouveau_has_mux() || nouveau_has_gmux())) runtime = true; </blockquote><br style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px;" class=""><span style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px; float: none; display: inline !important;" class="">You could maybe factorize a bit here by adding nouveau_has_optimus(). What do you think?<br style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px;" class=""></div></blockquote><div> </div><div>I was thinking of something like that, but I wasn’t sure about the name. Using optimus seems tricky, because you could have nouveau_is_optimus(): false but nouveau_has_optimus(): true…</div> <blockquote type="cite" class=""><div class=""><br style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px;" class=""><blockquote type="cite" style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px;" class=""> vga_switcheroo_unregister_client(dev->pdev); - if (runtime && nouveau_has_mux() && !nouveau_is_optimus()) + if (runtime && (nouveau_has_mux() || nouveau_has_gmux()) && !nouveau_is_optimus()) vga_switcheroo_fini_domain_pm_ops(drm->dev->dev); vga_client_register(dev->pdev, NULL, NULL, NULL); }</blockquote></div></blockquote></div> </body></html>